38 results
Industry
PROJECT NUMBER • 2002-409
PROJECT STATUS:
COMPLETED

Pathogenic Vibrio parahaemolyticus in Australian oysters

This project was designed to produce a “snapshot” of the prevalence of the bacterium Vibrio parahaemolyticus in Australian oysters during March and April of 2002. V. parahaemolyticus occurs in two main forms: pathogenic and non-pathogenic. In the past 3 years there have been several...
ORGANISATION:
University of Tasmania (UTAS)
Industry
PROJECT NUMBER • 2016-801
PROJECT STATUS:
COMPLETED

Future oysters CRC-P: Enhancing Pacific Oyster breeding to optimise national benefits

The research was conducted as a direct consequence of the 2016 Pacific Oyster Mortality Syndrome (POMS) outbreak TAS which decimated parts of this State’s Pacific Oyster (Crassostrea gigas) industry and caused numerous flow on effects throughout the entire Australian industry. The project was...
ORGANISATION:
Australian Seafood Industries Pty Ltd (ASI)
Environment
PROJECT NUMBER • 2005-072
PROJECT STATUS:
COMPLETED

Water use across a catchment and effects on estuarine health and productivity

This research has shown that the profitability of both agriculture on land and aquaculture in the estuary is affected by changing freshwater flows. To assess the value of water to different users across a catchment we developed a generic water accounting framework and populated it with available...
ORGANISATION:
University of Tasmania (UTAS)

Seafood CRC: safe spat rearing experiment

Project number: 2013-708
Project Status:
Completed
Budget expenditure: $16,731.86
Principal Investigator: Rachel King
Organisation: Oysters Australia Ltd
Project start/end date: 31 Mar 2013 - 29 May 2014
Contact:
FRDC

Need

A FRDC funded University Sydney/EMAI project investigating the biological behaviour (epidemiology) of POMS has identified an additional need that falls outside its original project aims.

The recent incidence and subsequent loss of the industry in the Hawkesbury River, NSW also devastated test stock placed in the water by ASI. The industry must invest in all options to safeguard national production; breeding resistant oysters and alternate husbandry.
The objective of this project is to provide scientific evidence that water treatments can be applied to enable safe rearing of spat in holding tanks in a POMS affected area until the window of infection closes. There is evidence to suggest that a similar approach is used in the French oyster industry to cope with POMS.

The project objective is to treat water in land-based tanks holding spat to interrupt putative transmission mechanisms. If successful, this can be used by hatcheries to hold stock in safe rearing conditions adjacent to a potentially infected estuary until the window of infection closes, and then they will be stocked out into the estuary. This is of use for growers with leases in infected waters who require a method for rearing/conditioning hatchery spat on-shore from the time of receipt until it is safe to put them in the estuary. If POMS spreads to affected waters near hatcheries in Tasmania, they will also require a solution for safe spat production.

Objectives

1. Confirmation of the efficacy of water treatments for maintaining viable spat during a POMS transmission season in an infected environment
2. Information to benefit commercial hatcheries to enable production of spat from eggs through highly susceptible larval stages, in the face of POMS
3. Information to benefit growers who receive spat from hatcheries during a POMS transmission season
4. Information which can be integrated with husbandry (growing height modifications) to reduce mortalities in adult oysters and enable production of C. gigas in the face of POMS
5. Information which can be used to plan trials on how spat might be grown to a specific size (as distinct from just maintained) during a POMS transmission season in an infected environment

Final report

ISBN: 978-0-9874218-8-3
Author: Richard Whittington
Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Final Report • 2014-08-14 • 926.47 KB
2013-708-DLD.pdf

Summary

The production cycle of Pacific Oysters in Australia currently depends on hatchery production of spat, mainly in Tasmania. Experience in France and other European countries is that OsHV-1 affects mainly hatchery spat and juvenile oysters, with near total losses of affected batches being common. However, the observations in Australia and New Zealand are that oysters from spat through to adult stages are susceptible. The results from trials conducted in FRDC projects 2011/053 and 2012/032 have already revealed that mortality in adult stock can be kept below 50% by placing stock in cultivation structures 300 mm above standard growing height. The trials described in this report are the first to examine strategies to enable survival of spat and juvenile oysters.

The objective of this study was to obtain information about simple and practical methods to treat/disinfect water so as to develop a method for hatcheries to safely produce and rear spat in infected estuaries during the risk period for disease expression, and for hatcheries or farmers to hold spat in land based facilities during the seasonal window of infection.

Industry
PROJECT NUMBER • 2018-164
PROJECT STATUS:
COMPLETED

Commercial production trial with high POMS tolerant triploid Pacific Oysters in approved NSW estuaries.

This report details a collaborative "proof of concept" project undertaken to investigate the opportunity to reinvigorate the triploid Pacific oyster farming industry in NSW estuaries affected by Pacific Oyster Mortality Syndrome (POMS). The participating organisations were Australian Seafood...
ORGANISATION:
Australian Seafood Industries Pty Ltd (ASI)
Industry
PROJECT NUMBER • 2000-206
PROJECT STATUS:
COMPLETED

Sustainable genetic improvement of Pacific oysters in Tasmania and South Australia

The Pacific oyster breeding project initiated in FRDC 97/321 was continued. Both mass selection and family selection procedures were employed. The main trait of interest was growth rate, although shell shape and condition index were also recorded. Families were monitored on five farms. Two were...
ORGANISATION:
CSIRO Oceans and Atmosphere Hobart
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