1. Fish is combined with ducks. The old nets were used to stop some of the ducks on the surface of the water and stocking density was 3-4 per square meter. Generally, there are 100-200 ducks or 100-120 ducks per mu.
2. Fish farming combined with Chicken. Generally, 150-200 chickens can be stocked per mu of water.
3. Fish is combined with pigs and chickens. Chickens are fed with feed, chickens are fed with pigs, and fish is fed after fermentation.
4. Fish is combined with cattle. Afforestation of weeds, straw, or pastures is followed by amination of cows. Cow dung is fermented and fed with fish. Then the mud is used as a farm fertilizer. Under normal circumstances, the excrement of three cows can be fed with one mu of pond fish.
5. Fish is combined with pigs and grasses. Use pig dung to grow grass and grass to feed fish. Generally, 2-3 pigs are stocked per acre of water surface, and green feed cultivation areas are arranged according to one-third or one-half of the pond area.
6. Fish farming is combined with raising pigs, raising clams, cultivating edible mushrooms, making biogas, and raising livestock. After the straw is treated with ammoniation, alkalization or saccharification, livestock is fed to the livestock. The livestock manure and the feed residue are used to make biogas or cultivate edible mushrooms. The edible fungus scraps are used to propagate the earthworms and the earthworms are fed to the chickens. Chicken manure is fed to the fish after fermentation. Biogas slag and pig manure are raised and the residue is fished or used as fertilizer.
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