High-yield intensive culture method for river crabs
A high-yield technology for river crabs, applied in fish farming, climate change adaptation, animal feed, etc., can solve the problems of high price, single breeding method, and inability to improve the yield and quality of river crabs, achieving strong continuity, improving economic benefits, The effect of increasing the feeding rate
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Embodiment 1
[0017] The method of high-yield intensive breeding of river crab includes the following steps:
[0018] 1. Pond selection: build a breeding pond of 50 acres with a depth of 2m, design a shallow shoal in the aquaculture pond, the water level of the shoal after irrigation is 70cm, the area of the shoal accounts for 70% of the total area of the entire aquaculture pond, dig more in the shallows A horizontal ditch. The depth of the horizontal ditch is 60cm lower than that of the shoal. There should be a ring groove around the breeding pond, and the depth of the ring ditch should be 1m lower than the location of the shoal; a good water source is required around the breeding pond, with good water quality and no pollution;
[0019] 2. Pond treatment: clean up the lobsters and wild fishes in the aquaculture pond, and sun the pond from October to November every year. The degree of the sun pond is that the bottom of the aquaculture pond is evenly cracked and the crack is 2.5cm. Construct ...
Embodiment 2
[0026] The method of high-yield intensive breeding of river crab includes the following steps:
[0027] 1. Pond selection: build a breeding pond of 30 acres with a depth of 1m, design a shallow shoal in the aquaculture pond, the water level of the shoal after irrigation is 60cm, the area of the shoal accounts for 60% of the total area of the entire aquaculture pond, dig more in the shallows A horizontal ditch, the depth of which is 40cm lower than that of the shoal; there should be a ring groove around the breeding pond, and the depth of the ring should be 0.8m lower than the position of the shoal; a good water source is required around the breeding pond, with good water quality and no pollution ;
[0028] 2. Pond treatment: clean up the lobsters and wild fishes in the aquaculture pond, and sun the pond from October to November every year. The degree of the sun pond is that the bottom of the aquaculture pond is evenly cracked and the crack is 1.5cm, and it is in the pond. Cons...
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