A tank-type intensive circulating aquaculture model for pond fish
A recirculating water aquaculture, tank-type technology, applied in fish farming, application, animal husbandry, etc., can solve the problems of reduced bait utilization, poor sewage discharge capacity, and reduced resistance, achieve concentrated feeding positions, and prevent pond aging. , the effect of improving the survival rate
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[0014] A pond fish tank type intensive circulating aquaculture model, such as figure 1 , 2 As shown, the culture pond 1 is provided with several independent culture tanks 2 arranged in parallel. The culture tank 2 is built by reinforced concrete, and the area of the culture tank 2 accounts for 1.5% to 2% of the area of the culture pond 1. The front and rear side surfaces 3 of the culture tank 2 are 30cm thick walls, 2-3m high, and the left and right ends are transparent, which are water flow channels. The left and right ends of the culture tank 2 are respectively equipped with double-layer fishnets 4 to prevent the cultured fish from escaping. , the water inlet end of described breeding water tank 2 is provided with microporous aeration device 5, and water outlet end is provided with the 30cm high low wall 6 that is used to intercept excrement and bait together; Press the density of 2 mu / table in described breeding pond 1 The impeller type aerator 7 is installed, and the ...
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