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Giant cages for deep sea fish farming in China

Beijing - Shandong Wanzefeng Fishery said a fully submersible ocean fish farming net cage called “Deep Blue I”, the world’s biggest, was delivered to the shipyard of state-owned Wuchang Shipbuilding Industry on Friday

Beijing - Shandong Wanzefeng Fishery said a fully submersible ocean fish farming net cage called “Deep Blue I”, the world’s biggest, was delivered to the shipyard of state-owned Wuchang Shipbuilding Industry on Friday. The 35-meter-high cage will be deployed in the Yellow Sea about 130 nautical miles east of Rizhao where the cold water is believed to be a suitable habitat for the fish.

Wang Yu, head of the Hubei Marine Engineering Equipment Research Institute, which designed the system, said the cage had a volume of 50,000 cubic meters and could generate a harvest of about 1,500 tonnes of salmon per season: “Its position underwater can be adjusted from four to 50 meters to ensure the best temperature for the salmon,” Wang said at the farm’s launch in Qingdao on Friday.

It is the first attempt to set up such an open sea farm in China and more could follow, with Xinhua estimating the Yellow Sea could support an industry of more than 100 billion yuan (US$15.7 billion).

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