PROJECT NUMBER
•
2018-016
PROJECT STATUS:
COMPLETED
ORGANISATION:
Department of Primary Industries and Regions South Australia (PIRSA)
67 results
PROJECT NUMBER
•
2017-233
PROJECT STATUS:
COMPLETED
Future Oysters CRC-P Communication and Adoption
The Future Oysters CRC-P project (CRC-P 2016-553805; Future Oysters) was funded by the Australian Government’s Business Cooperative Research Centres (CRC) Program, which is managed by the Department of Industry, Innovation and Science (DIIS).
The Future Oysters CRC-P project was developed to...
ORGANISATION:
Australian Seafood Industries Pty Ltd (ASI)
PROJECT NUMBER
•
2017-203
PROJECT STATUS:
COMPLETED
Risk from Diarrhetic Shellfish Toxins and Dinophysis to the Australian Shellfish Industry
This study first examined DSTs in spiked and naturally contaminated shellfish - Sydney Rock Oysters (Saccostrea glomerata), Pacific Oysters (Magallana gigas/Crassostrea gigas), Blue Mussels (Mytilus galloprovincialis) and Pipis (Plebidonax deltoides/Donax deltoides), using LC-MS/MS ...
ORGANISATION:
University of Technology Sydney (UTS)
SOCo Financial Strategy Workshop 17 November 2017
Project number:
2017-136
Project Status:
Completed
Budget expenditure:
$6,200.00
Principal Investigator:
Emma Wilkie
Organisation:
Select Oyster Company Pty Ltd
Project start/end date:
14 Nov 2017
-
30 Nov 2017
Contact:
FRDC
SPECIES
Future Oysters CRC-P: Income from ASI; FRDC OA PIRSA Contributions; and uncommitted extension funds management project
Project number:
2016-808
Project Status:
Completed
Budget expenditure:
$569,463.00
Principal Investigator:
Wayne G. Hutchinson
Organisation:
Fisheries Research and Development Corporation (FRDC)
Project start/end date:
16 Mar 2017
-
29 Aug 2019
Contact:
FRDC
Future oysters CRC-P: Species diversification to provide alternatives for commercial production
Project number:
2016-807
Project Status:
Completed
Budget expenditure:
$243,426.00
Principal Investigator:
Xiaoxu Li
Organisation:
SARDI Food Safety and Innovation
Project start/end date:
23 Apr 2017
-
29 Jun 2019
Contact:
FRDC
The establishment of a new native oyster and/or western rock oyster aquaculture sectors in SA and the former in Tasmania will not only diversify the business risk of the existing Pacific oyster sector, but has the potential to become a multi-million dollar industry itself. As native oysters would be more suited to subtidal or low intertidal culture while western rock oysters are an ideal alternative species to mitigate POMS, the successful development of these aquaculture sectors will strengthen the confidence of existing/new growers and investors in Pacific, western rock and native oysters; thereby encouraging further expansion of the industry. In addition, supporting species diversification is one of the high strategic priorities in the Oysters Australia Strategic Plan 2014-2019.
1. To develop Native Oyster on-farm growing methods that maximise survival and growth in South Australia and Tasmania
2. To compare the performance between Pacific Oysters and Native Oysters in South Australia
3. To establish a Native Oyster farmers network to share new techniques and knowledge
4. To develop translocation protocols for the safe translocation of Western Rock Oysters to South Australia
5. Trial Western Rock Oysters in the field in South Australia to assess their performance and viability of a potential industry if agreed by industry and regulators
Final report
ISBN:
978-1-8767007-45-4
Authors:
Xiaoxu Li
Penny Miller-Ezzy
Christine Crawford
Deborah Gardner
Marty Deveney
Jessica Buss
Ben Diggles
Kathryn Wiltshire
Final Report
•
2023-05-01
•
3.61 MB
2016-807-DLD.pdf
Pacific Oyster Mortality Syndrome (POMS), the disease caused by OsHV-1 microvariant, results in high and rapid mortality in Pacific Oysters (Crassostrea gigas) and has been responsible for significant economic loss to oyster industries in Australia and around the world. The diversification of commercial production into different oyster species (Native Oysters and Rock Oysters), that are not susceptible to POMS, has been proposed as a way to mitigate the risk of POMS in southern Australia. However, the Australia Native Oyster (Ostrea angasi) industry is still in its infancy, with knowledge gaps along the production chain. Additionally, there are no wild populations of Rock Oysters (Saccostrea sp.) in South Australia. Despite Rock Oyster aquaculture being well established in New South Wales and recently in Western Australia they have never been commercially produced in South er Australia and translocation policies to move them around the state are non-existent. This project aimed to improve on-farm production of Native Oysters and determine if Rock Oysters can be safely translocated to South Australia from Western Australia, to help Australian oyster growers to diversify into these species.
Future Oysters CRC-P: Advanced aquatic disease surveillance for known and undefined oyster pathogens
Project number:
2016-806
Project Status:
Completed
Budget expenditure:
$829,300.00
Principal Investigator:
Marty R. Deveney
Organisation:
SARDI Food Safety and Innovation
Project start/end date:
17 Apr 2017
-
29 Jul 2019
Contact:
FRDC
SPECIES
During the February 2016 OsHV-1 outbreak in Tasmania, tracing activities in Tasmania and South Australia required substantial follow-up and surveillance to define diseased areas and prove that response measures had prevented entry of OsHV-1. This surveillance was expensive, and PIRSA and DPIPWE developed a strategy to decrease cost for future surveillance. Cost estimates for ongoing surveillance for early detection have been prohibitive, and both the Australian Pacific oyster aquaculture industries and State governments have expressed a need for more cost effective surveillance options for monitoring disease in affected areas and early detection in currently unaffected regions.
Winter mortality is a major cost impost on the Sydney Rock Oyster industry. Its current status as a syndrome of unknown cause prevents methods from being developed to minimise losses, and an improved understanding of its cause is required to begin to develop management strategies. Mitigating losses will increase profitability for the Sydney rock oyster industry.
SA oyster mortality syndrome (SAMS) is a sporadic, regionally concentrated occurrence of high mortality that is not associated with readily detectable pathogens. The use of the terms SAMS implies that these mortalities have commonalities but this is not proven. This project will aim to provide a focused approach to developing a case definition for SAMS and as a result help direct mitigation strategies to reduce or remove the problem. If a cause can be isolated, an on farm decision tool swill be developed to allow better ‘trigger point’ identification for when farm managers need to engage diagnosticians or instigate identified mitigations strategies.
1. Winter mortality: causative agent investigation, case definition, management strategies, improved husbandry and validate WM resistance assessments for Sydney rock oysters
2. SA mortality syndrome: causative agent investigation, improved understanding of causes, case definition, improved diagnostic technologies and improved husbandry to maximise survival
3. POMS: improved surveillance methods for early detection, to manage spread and understand transmission, novel detection and enumeration method based on flow cytometry
Final report
ISBN:
978-1-876007-24-9
Author:
Marty R Deveney & Kathryn H Wiltshire (Editors)
Final Report
•
2020-03-01
•
12.34 MB
2016-806 DLD.pdf
This project improved understanding of methods for surveillance for several diseases of farmed oysters. Surveillance is a critical component of biosecurity and aquatic animal health activities. Surveillance supports understanding health status of populations of animals, provides evidence to support claims of freedom or understanding prevalence and increases the likelihood that a new or emergent disease can be controlled.
Mollusc diseases are less well understood than terrestrial animal and many finfish diseases and this project sought to develop understanding of three oyster diseases of substantial economic impact in the Australilan edible oyster aquaculture industries:
Pacific Oyster mortality syndrome (POMS), South Australian mortality syndrome (SAMS), and winter mortality (WM).
The project included activities with four main aims:
- Improving understanding of tests for OsHV-1 and investigation of using these tests for area surveillance.
- Development of a low-cost, rapid test for OsHV-1.
- Refinement of the case definition and investigation of the cause of SAMS in Pacific Oysters.
- Development of a case definition and improving understanding of the cause of Winter Mortality in Sydney Rock Oysters.
Future oysters CRC-P: Polymicrobial involvement in OsHV outbreaks (and other diseases)
Project number:
2016-805
Project Status:
Completed
Budget expenditure:
$342,200.00
Principal Investigator:
Justin Seymour
Organisation:
University of Technology Sydney (UTS)
Project start/end date:
30 Aug 2016
-
30 Aug 2019
Contact:
FRDC
TAGS
SPECIES
During the last two decades a number of disease outbreaks have led to mass oyster mortalities and the closure of several oyster-harvesting regions, resulting in multi-million dollar losses. These outbreaks mirror a global pattern of increased aquaculture disease, with disease emergence potentially linked to environmental degradation (pollution) and climate change related processes, such as rising seawater temperature. Within NSW estuaries, multiple microbiological agents have been implicated in oyster diseases, but a clear understanding of the ecological and environmental drivers of disease outbreaks has remained elusive. This means we cannot predict when outbreaks will occur, making it very difficult to manage infection events and develop strategies to mitigate future oyster disease events.
Since 2008, Pacific Oyster fisheries in several parts of the world have been decimated by the influence of Pacific Oyster Mortality Syndrome (POMS), resulting in high (>95%) rates of juvenile oyster mortality. Recent evidence indicates that POMS is a polymicrobial syndrome, that is not only caused by the OsHV-1 virus, but includes the involvement of pathogenic bacteria from the Vibrio genus, a bacterial group comprising species that cause disease in a diverse range of marine animals and which is responsible for significant mortality in a variety of aquaculture industries. However, our understanding of this complex interaction is limited.
This project will provide valuable insights into the microbial communities associated with oysters, how those communities vary and how they might influence the course of other diseases. The project will also indicate whether breeding influences the microbial communities associated with oysters and whether this is influencing the impact diseases like OsHV is having on different Pacific oyster families.
1. Define microbial communities associated with oysters and identify threats
2. Link changes in environmental conditions to changing microbial communities
3. Better understand the association between microbial communities and disease
Final report
ISBN:
978-0-646-80891-8
Authors:
Justin R. Seymour
Maurizio Labbate
Wayne O’Connor
William King
Viet Khue Nguyen
Nahshon Siboni
Mike Dove
Cheryl Jenkins
Final Report
•
2019-07-01
•
12.82 MB
2016-805-DLD.pdf
The principal goal of this research was to provide a detailed characterisation of the oyster microbiome and identify links between specific features of the microbiome and oyster disease and mortality events. The conceptual framework for this work is based upon: (i) increasing evidence, across a broad range of species, that the nature of a host organism’s microbiome exerts a fundamental control on host physiology and health, and (ii) the critical paucity in knowledge on the factors contributing to oyster health and the triggers for oyster mortality events and disease outbreaks. The research reported here involved a collaboration between the University of Technology Sydney (UTS) and the NSW Department of Primary Industries (DPI), whereby the UTS members of the team provided expertise in molecular microbial ecology and the DPI team members provided expertise and support in oyster physiology and ecology and aquaculture. The research involved a large-scale screening of the microbiomes of both Pacific Oysters and Sydney Rock Oysters using high-throughput DNA sequencing technologies, providing a characterisation of the microbial communities associated with oysters. The outcomes of this analysis revealed that for both Pacific Oysters and Sydney Rock Oysters, the oyster microbiome is remarkably variable among different oyster families, and over space and time, indicating that both intrinsic physiological features of the oyster host and environmental factors play a role in governing the oyster microbiome. Notably, despite this heterogeneity, a small sub-set of the microbiome was shown to be conserved across oysters within a species, pointing to the existence of a core group of microbes with intrinsic links to oyster ecology and condition. Similarly, a small group of microbes, including members of the Vibrio genus, were consistently associated with diseased or susceptible oysters, indicating a potentially antagonistic role of these microbes. These observations support the hypothesis that the oyster microbiome plays a role in defining oyster health, but also reveal substantial complexities related to the marked heterogeneity of the oyster microbiome over space and time. Appropriately considering this microbiome heterogeneity, while also sharpening focus on the few core microbiome members identified in this research, will be important requisites for
future efforts hoping to employ the oyster microbiome for diagnostic purposes.
future efforts hoping to employ the oyster microbiome for diagnostic purposes.
Future oysters CRC-P: New Technologies to Improve Sydney Rock Oyster Breeding and Production
Project number:
2016-803
Project Status:
Completed
Budget expenditure:
$204,066.69
Principal Investigator:
Michael Dove
Organisation:
Department of Primary Industries and Regional Development (NSW)
Project start/end date:
29 Sep 2016
-
30 Aug 2019
Contact:
FRDC
SPECIES
The hatchery sector for SRO is still developing and any assistance with its underlying operating challenges or potential increases to its seed market significantly improve the prospects for its continued development.
Tetraploid SRO: Triploid SRO can grow up to 30% faster than normal SRO and commonly have a significantly longer marketability window. Accordingly, many framers have eagerly awaited the supply of more triploid seed. In order for this to occur new techniques that overcome the shortcomings of direct induction are required - techniques that don't involve the direct application of harmful chemicals to what will eventually be a foodstuff.
Gamete preservation: Currently techniques for strip spawning SRO gametes typically results in the destruction of valuable broodstock and the collection of many more gametes than are required immediately. The capacity to simply and cheaply store gametes for relatively short periods of time offers a number of advantages. Once the hatchery operator is satisfied with the performance of gametes (usually apparent within hours to days) gametes could be shared with other hatcheries. This is particularly valuable where brood stock are scarce because of time of year or they are from a limited population in a breeding program. If problems occur, stored gametes could be used to commence a second batch without the need to continue to hold and feed broodstock, or to recreate a particular cross (or new crosses) within a breeding program.
Maturation: SRO broodstock can take up to 10 weeks to bring into condition within a hatchery and can consume up to 80% of the algae required for a hatchery production run - this is both time consuming and expensive. Technology that accelerates reproductive condition and then stimulates spawning on demand could significantly reduce these costs.
1. 20% of industry with access to triploid SRO
2. Reduce complete hatchery operation costs by 15% through a reduction in time for oyster conditioning
3. Increase SRO breeding program reliability
Final report
ISBN:
978-1-76058-361-3
Authors:
Michael Dove (NSW DPI)
Saowaros Suwansa-ard (USC)
Abigail Elizur (USC)
Rebecca Seeto (UoN)
John Clulow (UoN)
Zamira Gibb (UoN)
Tomer Abramov (USC)
Stephan O’Connor (NSW DPI)
Greg Kent (NSW DPI)
Wayne O’Connor (NSW DPI)
Final Report
•
2020-01-01
•
5.88 MB
2016-803-DLD.pdf
Hatchery production of Sydney Rock Oysters (SROs, Saccostrea glomerata) is a costly and high risk activity for the breeding program and industry exacerbated by factors such as: reliance on hatchery conditioning, low fertilisation success using strip-spawned gametes, extended larval rearing period compared to Pacific Oysters (Crassostrea gigas), and variable settlement rates. This project, one of a number that comprised the Future Oysters Coopoerative Research Centre project (Future Oysters CRC-P), was developed through discussions with the SRO industry hatchery sector and was designed to target specific hatchery production challenges.
PROJECT NUMBER
•
2016-802
PROJECT STATUS:
COMPLETED
Future Oysters CRC-P: Accelerated Sydney Rock Oyster (SRO) Breeding Research
This project focussed on increasing genetic resistance of Select Oyster Company (SOCo) breeding program Sydney rock oyster (Saccostrea glomerata, SRO) families to QX disease and winter mortality (WM) disease. NSW DPI has worked collaboratively with SOCo to develop a SRO family-based breeding program...
ORGANISATION:
Department of Primary Industries and Regional Development (NSW)
SPECIES
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