Among the challenges faced by Singapore’s fledgling aquaculture sector is the high fish stock mortality rate, with some farms reporting a rate as high as 70 per cent, compared to Australian farms which face losses typically in the range of 10 per cent or less.
is the high fish stock mortality rate, with some traditional farms in Singapore reporting a rate as high as 70 per cent, which Dr Koh called a “very high number”.“I think it speaks to how the business itself needs to actually adopt a science-based approach to animal husbandry, not just to be giving welfare to the animals that they are growing, but also to make sure that they preserve their stock capacity,” said Dr Koh.
At the Mark Lee Fish Farm in Adelaide, workers take all necessary measures to keep harmful pathogens out of the water. “It's not just its quality, but also its sustainability its environmental credentials,” said CEO Robert Gratton. “We absolutely see a future where consumers are going to be increasingly concerned about and aware of the environmental impacts of their consumption decisions.”
Mr Ong added that his farm is working with the National University of Singapore to identify suitable seaweed species for local waters, before testing how best to grow them.Singapore is also studying how Australia uses a nutrient budget to strike a balance between nutrient content and fish health, said Dr Koh.
“It means that actually you don't have a lot more remaining budget of the water to allow the fish to actually grow in there, because the fish contribute some of this nitrogen into the water as well in their waste production."
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