Culture method for double alternate culturing and intercropping lobster and river crab ponds with microptenus salmoides
A breeding method and pond technology, applied in fish farming, application, climate change adaptation, etc., can solve the problems affecting the size and output of river crabs, affecting the survival and molting of river crabs, so as to benefit the growth of river crabs and reduce the escape of crayfish probability, and the effect of improving breeding efficiency
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Embodiment 1
[0038] Follow the steps below to carry out the cultivation of California perch in double crop rotation in ponds with crayfish and river crabs:
[0039] 1. Pond preparation: Prepare two ponds, one large and one small. The large pond is 12 mu as the main pond, and the small pond is 2 mu as the crab temporary pond. The area ratio of the main pond and the temporary pond is 6:1. On the 10th, aquatic plants (Elodea) were planted in the entire pond, and the pond was equipped with a microporous aeration system at the bottom to ensure that the crayfish were not hypoxic.
[0040] S2. Temporary breeding in the special pool for crab seedlings: on March 5, after the aquatic plants grow well, stock high-quality crabs in the temporary breeding pond. The stocking density is 10,000 / mu, and the stocking size is about 5g / piece.
[0041] 3. Stocking and breeding of lobster seedlings: On April 3rd, the crayfish seedlings were stocked in the main pond, the stocking density was 6,000 / mu, the stockin...
Embodiment 2
[0049] Follow the steps below to carry out the cultivation of California perch in double crop rotation in ponds with crayfish and river crabs:
[0050] 1. Pond preparation: Prepare two ponds, one large and one small. The large pond is 14 mu as the main pond, and the small pond is 2 mu as the crab temporary pond. The area ratio of the main pond and the temporary pond is 7:1. On the 5th of May, the whole pond was planted with aquatic plants (Elodea), and the pond was required to be equipped with a microporous aeration system at the bottom to ensure that the crayfish were not hypoxic.
[0051] S2. Temporary breeding in the special pond for crab seedlings: on March 10, after the aquatic plants grow well, stock high-quality crabs in the temporary breeding pond. The stocking density is 9000 / mu, and the stocking size is about 5g / piece.
[0052] 3. Stocking and breeding of lobster seedlings: On April 6th, the crayfish seedlings were stocked in the main pond, the stocking density was 8...
Embodiment 3
[0060] Follow the steps below to carry out the cultivation of California perch in double crop rotation in ponds with crayfish and river crabs:
[0061] 1. Pond preparation: Prepare two ponds, one large and one small. The large pond is 20 mu as the main pond, and the small pond is 2.5 mu as the crab temporary pond. The area ratio of the main pond and the temporary pond is 8:1. Aquatic plants (elodea) were planted in front of the entire pond on the 2nd. The pond is required to be equipped with a microporous aeration system at the bottom to ensure that the crayfish are not hypoxic.
[0062] S2. Temporary breeding of crab seedlings in a special pond: On March 20, after the aquatic plants grow well, stock high-quality crabs in the temporary breeding pond. The stocking density is 12,000 / mu, and the stocking size is about 5g / piece.
[0063] 3. Stocking and breeding of lobster seedlings: On April 8th, the crayfish seedlings were stocked in the main pond, the stocking density was 5000 / ...
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