CSIRO creates the perfect prawn
After ten years of careful breeding and research, CSIRO scientists and the prawn industry have developed what could be the world’s most perfect prawn.
The Black Tiger prawn is producing record yields in aquaculture farms and winning awards, netting five gold medals at the Sydney Royal Easter Show in the past two years, including ‘Champion of Show’.
Selective breeding for desirable traits like size, markings and preferred conditions are assisted by DNA fingerprints to capture the very best Black Tiger prawn stocks that nature can provide, and boost the performance of stocks each breeding season.
As well as producing an award-winning prawn, the program has allowed farmers to breed stock in captivity, instead of having to rely on new stocks of wild parent prawns from trawlers each season.
With about 50 per cent of all prawns sold in Australia currently imported from countries such as China and Vietnam, developing an Australian prawn that breeds in captivity and is completely sustainable is a major gain for both the local prawn industry and consumers wanting to buy Australian seafood.
Leader of the CSIRO Food Futures Flagship prawn research project, Dr Nigel Preston, said this specially-bred prawn has the potential to revolutionise the local and international prawn farming industry.
“The new prawn’s yield has exceeded all our expectations. The average industry productivity for farmed prawns is only five tonnes per hectare, so this year’s average yield of 17.5 tonnes per hectare is a major leap forward,” said Preston. “These huge yields can be replicated year after year which means consistent supply of a reliable and high quality product – all vital factors for the long-term growth and prosperity of the Australian prawn farming industry.”
After eight generations of selective breeding, one of CSIRO’s industry partners, Gold Coast Marine Aquaculture, has this year achieved average yields of 17.5 tonnes per hectare – more than double the industry’s average production. Several ponds produced 20 tonnes per hectare and one produced a world record yield of 24.2 tonnes per hectare.
The new breeding technology could translate to an added $120 million on the value of the industry by 2020 if taken up across the board.
The general manager of Gold Coast Marine Aquaculture (GCMA), Mr Nick Moore, said they could now breed successive generations of prawns in captivity instead of starting fresh every year, transforming their business from one plagued with seasonal fluctuations into a reliable primary producer with consistent and predictable output.
“Thanks to outstanding work by the staff here, aided by close collaboration with our partners at CSIRO, we have just finished a prawn breeding season that can only be described as staggering,” Moore said.
“Not only have we achieved national and international yield records with no reduction in quality or taste, these prawns are grown in a specially designed, environmentally sustainable production system. This production system and the new breeds have produced a perfect prawn with beautifully textured meat, rich colour, robust size and a great taste.”
Director of CSIRO’s Food Futures Flagship, Dr Bruce Lee, said the results were a phenomenal achievement for the industry and for CSIRO.
“Our main goal is to add real value to the profitability of the Australian agrifood industry,” Lee said. “With Australia’s population predicted to reach 35 million by 2050, the challenge is to help Australia secure its own food supply, contribute to the food supply of the region and be competitive in global food markets. This result is just the tip of the iceberg for us and represents a major opportunity for the growth of sustainable marine aquaculture in Australia and with global partners.
“Of particular significance to Australia is that marine aquaculture is a drought-proof industry and there’s huge potential for the environmentally and economically sustainable expansion of pond-based aquaculture farms right around the Australian coastline.”
The project received critical funding in 2008 when the Queensland Government provided the CSIRO with a $500,000 Smart State Innovation Projects Fund grant to advance their research. This grant enabled CSIRO to expand its work with Gold Coast Marine Aquaculture to Australian Prawn Farms (near Sarina) and Pacific Reef Fisheries (near Ayr).
Queensland Treasurer and Minister for Employment, Economic Development and Innovation Andrew Fraser said the Innovation Projects Fund was part of the Queensland Government’s $300 million Smart State Futures funding program.
“Queensland’s prawn farmers produce an average of 3,200 tonnes of farmed prawns a year, worth about $50 million to the State’s economy. With increasing demand for produce, especially from South-East Asia, our capacity to meet that demand has, until now, been limited,” he said.
“Improving the quality of produce and increasing farm yields will give Australian prawn farmers a real market advantage.”
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