Tactical Research Fund: Developing a management framework and harvest strategies for small scale multi-species, multi-method community based fisheries, using the South Australian Lakes and Coorong Fishery as a case study
The development of quality standards, product specifications, and a quality management framework to facilitate market expansion for farmed barramundi
Addressing knowledge gaps for studies of the effect of water resource development on the future of the Northern Prawn Fishery
Improved performance of marron using genetic and pond management strategies
SCRC: PhD: Profiling host-parasite dynamics of AGD using molecular DNA methods – application to vaccine development, selective breeding and offshore aquaculture
Amoebic gill disease (AGD) research remains a high priority for the Tasmanian salmon industry. Within this framework there is a need to develop, both for research and practical reasons, non-destructive quantitative measures of AGD severity. This PhD project will develop a state of the art quantitative real time PCR (qRT-PCR) method for AGD-causing Neoparamoeba perurans. If successful this will be the first such DNA test of its type in the world for this disease. The assay will then be utilised to answer practical questions such as profiling host-parasite dynamics in vaccinated and non-vaccinated salmon prior to, during and after commercial freshwater bathing treatment, providing a rigorous measure of vaccine efficacy, and much-needed insights into the parasite loading exhibited by the different experimental salmon groups. The N. perurans DNA test will then be extended to selectively-bred salmon, correlating pathogen load with breeding values for resistance in F2 stock. This could provide a more reliable way of quantifying infection than current gill scoring methods, and will be the first time such a tool is applied to gain more precise information from a commercial salmon selective breeding program. Finally, the project will then apply the qRT-PCR test and other N. perurans molecular markers to the wider environment to address questions of population genetics, environmental reservoirs (providing much-needed information on the parasite life cycle, a prelude to in vitro culture which would benefit vaccine development), and parasite dynamics in heavily-farmed and virgin marine environments to address fundamental questions as the Tasmanian salmon industry contemplates a move towards off-shore aquaculture.
This project is a high priority for the Tasmanian salmon industry and was adopted into the CRC at its inception. This PhD project has the support of the industry. The project also has strong alignment with the industry run selective breeding program.
People development program: 2013 FRDC international travel bursaries- Mark Hilder
SALTAS is the home of the Tasmanian Atlantic Salmon selective breeding program (SBP). This small industry owned company located in the Derwent Valley runs 2 freshwater hatcheries and is responsible for the production of the majority of the broodstock for the industry. The Tasmanian SBP has been in operation since 2005 and has been providing genetically improved eggs and smolt for commercial production to the shareholders since 2012. The genetically improved stocks that have been sent to sea already have performed beyond expectations and as such there is now greater concern for the biological protection of the breeding program, and the commercial gains that it is providing to the Tasmanian industry.
In 2013, SALTAS has embarked upon a strategy to continually upgrade biological protection of the SBP and as such it is essential that key staff are able to become exposed to worlds best practice approaches to biosecurity. The opportunity for Mr Hilder to travel to Canada during their spawning season in November would allow him to see first hand, the approach taken to protect valuable broodstock in an environment where the disease threats are more real and immediate than those here in Tasmania.