One, fish - mulberry - chicken. Fish in the pond, species of mulberry trees around the pond, chickens in the mulberry garden. Fish pond sludge and chicken manure are used as mulberry fertilizer, silkworm cocoon and mulberry leaf feed chicken, silkworm feces and chicken manure feed fish. Make mulberry, fish, and chicken form a good ecological cycle. The test showed that every 500 kg of mulberry leaves feeding silkworm, silkworm feces feeding fish, can increase fish yield 25 kg, mulberry gardens raise 20 chickens, annual production of chicken manure 1200 kg, equivalent to mulberry garden application of nitrogen fertilizer 18 kg, phosphate fertilizer 17.5 kg.
Second, chicken - pig - cattle. Feed chickens with feeds, feed chickens after chicken manure treatment, feed cattle after cow manure treatment, and use cow manure as farmland fertilizer. This greatly reduces the contradiction between livestock and livestock, reduces feed costs, and can improve the economic efficiency of the livestock industry. .
Third, chicken - pig - fish. Chickens were fed with feed, chickens were fed to pigs, fish was fed after fermentation of pig manure, and pond mud was used as a good fertilizer for crops, thereby forming a benign cycle of biological chain, achieving the purpose of increasing grain production and reducing pig feed costs. Tests have shown that raising 100 chickens a year can increase the production of pork by about 100 kilograms from pigs to pigs, 50 kilograms of adult fish from pig manure, and more than 1,000 yuan in profits from pond mud as a fertilizer. .
Fourth, cattle - fish. After weeding the weeds, straw or forages, the cows are fed with the cow's droppings. After the fermentation, the cow's droppings are fed to the fish, and then the mud in the clear pond is used as farmland fertilizer. Usually, 2 mu beers are fed with 1 mu of pond fish and the annual yield increases. About 200 kg of fish.
Fifth, cattle - sheep. Using the characteristics of cattle eating tall grass and sheep eating short grass, the two-tiered grazing is carried out on a limited range of pastures. First, cattle are released and sheep are reared, which greatly improves the utilization rate and economic efficiency of grass pastures.
Six, cattle - mushrooms - quail - chicken - pig - fish. The use of weeds, straw or pasture to feed cows, cow dung as mushroom culture materials, the use of mushroom waste after the cultivation of quail, the quail feed chickens, chicken manure fermentation after feeding pigs, pig manure fermentation, fish pond mud fertilizer.
VII. Livestock - Biogas - Edible fungus - Pork - Chicken - Pig - Fish. After the straw is treated with ammoniation, alkalization or saccharification, etc., it is fed to livestock. The livestock manure and feed residues are used to make biogas or cultivate edible mushrooms. The edible fungus scraps are used for breeding and the earthworms are fed to chickens and the chicken manure is fed after fermentation. Pigs, biogas residue and pig manure, raise fish residue or use as fertilizer.
Eight, sheep - pig - fish. Feeding goats with grass, goats feeding pigs, pig manure feeding after fermentation, and fish pond mud as fertilizer. Under normal circumstances, each dairy goat can produce 1.5 kg - 3 kg of milk per day, which can be used as protein feed for 5 - 10 pigs.
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