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The cake type of feed mainly includes rapeseed cake, peanut cake, cotton cake, soybean cake, sesame cake and so on. The proportion of the use of cake feed is 10% to 25% of the total amount of feed. Soybean cake and peanut cake nutrition is good, can be equipped with 25%; rapeseed cake, cotton cake to less than 10%. The rapeseed cakes and cottonseed cakes must be detoxified before they are used as feed. Other types of cakes can be steamed or fry cooked and fed. Piglets should not be added to the feed.
Bad residue feeds include distiller's grains, glutinous rice grains, vinegar grains, powder residue, bean dregs, and bagasse. The amount of 5% to 10% of the total amount of feed. Pregnant sows, fattening pigs should not be fed late. All kinds of bad residue must be cooked before feeding.
Food feeds include corn, barley, wheat, sorghum, fava beans, peas and so on. The amount used is 50% of the total amount of feed, up to no more than 60%.
Animal feeds include cocoons, fish meal, bone meal, blood meal, feather meal, and the like. The amount of 4% to 8% of the total amount of feed, piglets should not be fed blood meal. The fishmeal in finishing pig feed can be allocated 10%. If it is formulated in cocoon, the fishmeal can only be allocated 5% to 6%. When using this kind of feed, pay attention to the ratio of calcium and phosphorus.
Mineral feeds include shell powder, eggshell powder, calcium carbonate, calcium phosphate, and salt. The amount used is 1% to 2% of the total amount of feed, and the amount of salt is not more than 0.5%. If trace elements are added, they must be used strictly in accordance with regulations.
Green feed includes aquatic duckweed, water lettuce, water hyacinth, aquatic peanuts, and crop leaves, rattan and alfalfa, gardenia and so on. This kind of feed is green, juicy, nutritious, and easily digestible, and generally accounts for 40% of the total feed.
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The bran feeds mainly include rice bran, wheat bran, sweet potato cane, peanut cane, broad bean leafhopper, soybean straw, etc. The dosage is 10% to 15% of the total amount of feed, up to no more than 20%.