NEW METHODS: Southern Cross University Marine Science Centre student Shiori Naka.
NEW METHODS: Southern Cross University Marine Science Centre student Shiori Naka. Trevor Veale

Advice from the experts

A MARINE science student at Southern Cross University will look to use Japanese expertise in fisheries to improve the quality of Australian aquaculture.

Shiori Naka, who studies at the National Marine Science Centre in Coffs Harbour, has recently returned from the island of Kyushu where she attended the autumn meeting of the Japanese Society of Fisheries Science at a local university.

Shiori is currently completing a Master of Marine Science and Management.

Dr Jeff Guy, who is a co-supervisor from the university's Marine Ecology Research Centre, said Ms Naka's research was aimed at investigating methods such as "Ikijime" that could maximise the freshness of farmed seafood.

"The Japanese are the world experts on seafood quality," Dr Guy said.

"This knowledge is built on decades of scientific research. However, most of the literature is only published in Japanese and as a result many of the advances in methodology and species-specific data remain lost to the English-speaking world.

"Ms Naka's work is essentially to bridge this gap, modernise our methods while also building our understanding of seafood freshness in Australian farmed and wild species."

Ikijime is a method of killing fish, which immediately stops any muscle movement, reducing the loss of the adenosine triphosphate (ATP) in the muscle.

"Through this research we will gain a better understanding of how fresh farmed and wild-caught fish are when they reach the plate.

"Ikijime is used by many recreational fishers, but not in commercial fishing or farming," Dr Guy said.



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