Khanh Hoa, Vietnam: Raising cobia in giant cages is safe from storms and fish grow faster

게시됨 2021년 6월 22일

Tridge 요약

A farmer in Vietnam has successfully harvested cobia from HDPE round cages, a new aquaculture method that has outperformed traditional cages by having a higher survival rate and better resistance to storms. The cages, which cost 180 million dong each, are independent, promoting better ventilation and creating a better farming environment. The project, supported by the National Center for Agricultural Extension and the Provincial Center for Agricultural Extension, will be implemented from 2020 to 2022 with a budget of over 4.7 billion VND. The District Economic Department is encouraging the replication of this model to reduce risks and disasters during storms.

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원본 콘텐츠

From Van Gia pier, after more than 20 minutes by speedboat, we arrived at Ba Le beach (Van Thanh commune). This is a sea area surrounded by many islands, with clear blue water and suitable depth, so aquaculture activities are very active. Mr. Nguyen Xuan Hoa - a long-time aquarist in Ba Le beach area harvested the first batch of cobia raised in HDPE round cages, part of the project "Building a model of marine cobia with Norwegian-style HDPE round cages." ". Unlike the traditional fish rafts made of wood, bamboo and square, the new cage is round and made of HDPE. In a round cage with a diameter of 10m, a cage volume of 500m3, in mid-August 2020, Mr. Hoa stocked 1,000 cobia. By June 2021, he had harvested 903 fish, with an average weight of 5kg/head; survival rate is 15% higher than traditional cages. With a selling price of 130,000 VND/kg, after deducting expenses, he made a profit of more than 100 million VND. It is known that normally 1kg of cobia in farmed rafts is sold for ...

출처: Danviet