The project of “Test and Demonstration of Intensive Breeding Technology of Wind-resistant Net Cage” passed the acceptance

On January 22nd, 2008, the Department of Science and Technology Education of the Ministry of Agriculture invited relevant experts to hold a meeting in Beijing on the agricultural science and technology leapfrog project named “Anti-wind and Wave Net Cage Intensive Breeding Technology Experiment and Demonstration” hosted by the South China Sea Fisheries Research Institute of Chinese Academy of Fishery Sciences. acceptance.

The expert group heard the report of the project team, consulted relevant data submitted by the project team, and questioned them. After full study and discussion, the expert group unanimously held that: the project was effective on the basis of the “10th Five-Year Plan” against storm wave cage technology. The pilot plant and maturation optimize the design and manufacturing process of deep water cages; develop flow-resistant mesh capsules, cage pedals, new underwater monitors, solar warning lights, gong head anchors, plastic buoys, underwater cleaners and remote Automatic feeding prototypes and Other wind-resistant wave cage aquaculture industrialization supporting key facilities; natural flow resistance of the flow-resistant net sac reached 0.75m/s, preset gravity flow resistance reached 1.0m/s, and cultured volume retention rate reached over 85%; An intensive farming technology system was established. On average, 31 kg of cobia were produced per cubic meter of water, 21.7 kg of oval pods and a survival rate of 87%. Five deep-water cages production and aquaculture operating procedures were established, and a deep-water cage in Nanhai District was established. Intensive farming technology system; 6 deep-water cage aquaculture industrialization demonstration bases have been established, and 748 HDPE anti-wind wave cages have been developed; the production capacity of cages in the demonstration area is about 1.5 times higher than that of traditional cages; social and economic efficiency Significantly; fully completed and exceeded the planned tasks and technical and economic indicators stipulated in the contract.

In the three years since the project was implemented, the deep-water cage culture in the Nanhai District has been fully promoted, and the rural “economic cooperatives” breeding business model has been created to effectively solve the problem of high investment in deep-water cage culture production; the “company + farmer” deepwater cage culture has been established. The production method effectively solved the basic investment of farmers' breeding equipment. The project has created three national firsts: HDPE C80 lifting deepwater windbreak net cage technology and equipment; HDPE C160 super deep water cage technology and equipment; unit output 31kg/m3.

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