A collection of selected manuscripts published over the last decade in peer-reviewed journals relevant to the selective breeding for disease resistance and fast growth in Sydney rock oysters
Non Technical Summary
The Sydney rock oyster possesses a special significance in Australian aquaculture. It was Australia's first aquaculture industry and remains Australia's most valuable edible bivalve mollusc. It continues to provide over 70% of NSW' aquaculture income. But the industry is one that is changing rapidly and it currently faces a number of significant challenges.
One of the challenges the oyster industry has had to deal with over the last 20 years is the use of traditional culture methods involving collection of juveniles (or spat) from the wild and growing them on sticks. Increasing costs of production and marketing issues have stimulated considerable research investment in breeding and genetic improvement.
The work reported in this collection of scientific manuscripts has been done in response to some of the challenges facing the industry and includes the evaluation of triploid oysters and the assessment of the potential for selective breeding of faster growing, and disease resistant, oysters.
The research conducted has demonstrated that selective breeding and triploidy can greatly improve growth rates, and that selective breeding can confer resistance to the two most significant diseases that affect Sydney rock oysters (QX disease and winter mortality). Most importantly, because breeding lines have been carefully maintained to preserve genetic diversity, the advantages of faster growth and disease resistance can continue to be increased into the future. All the technology developed and applied (or both selective breeding and triploidy) has been thoroughly described in peer reviewed scientific manuscripts to ensure its scientific rigour and to allow the technology to be available to others.