Ecological fish farming method and device based on ditch and pound compound system
A composite system and culture method technology, applied in the field of aquaculture, can solve the problems of declining aquatic product quality, high breeding density, threatening health and other problems, and achieve the effect of solving disposal and reuse, simple process flow, and improving pond water quality.
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Embodiment 1
[0049] A kind of ecological fish farming method based on ditch-pond composite system, its steps are:
[0050] A. Pump the source water that is available around and conforms to the fishery water quality standard (GB11607-89) into the aquaculture pond 1 through artesian flow or water pumps, so that the water depth of the pond reaches the initial growth of fish species 9 stocking and aquatic economic plants 10 planted in the ditches. need.
[0051] B. Adopt high-density stocking + round catching and round breeding mode, specifically put enough fish species 9 (1500 kg of yellow catfish, 100 tails / kg in size; 4000 silver carp, 100 tails / kg in size) in the culture pond 1 ; 200 silver carp, 20 / kg; 160kg soft-shelled turtle, 8 / kg). In the middle and late stages of breeding, fish are caught regularly, and the adult fish that reach the market size are sold.
[0052] C. With the deepening of the breeding season (the water temperature gradually rises, 20-34°C) and the growth of aquatic ...
Embodiment 2
[0058] Below in conjunction with accompanying drawing, the present invention is described in further detail:
[0059] An ecological fish farming device based on a ditch-pond composite system, the device is composed of a breeding pond 1, an ecological ditch 2, a partition wall 3, a water pump 4, a water collecting pipe 5 and a water level control pipe 6. It is characterized in that: the breeding pond 1 is connected with the ecological ditch 2 through the water pump 4 , and the water at the end of the ecological ditch 2 is connected with the breeding pond 1 through the water collecting pipe 5 . The water inlet end of the water collecting pipe 5 has an escape net 15, and the water outlet end is inserted with a water level control pipe 6. Breeding pond 1 adopts prefabricated concrete 13 for slope protection, bricks are used to overhang eaves 12 at the top of the slope, and concrete foundation beams 18 are added at the bottom of the slope. The ecological ditch 2 is set (built) aro...
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