1, with raw bean curd residue feed pig raw bean curd residue contains anti-trypsin and other substances, the pig is easy to eat after diarrhea, indigestion, and even poisoning. Therefore, the bean curd must be boiled and it must be fed proportionately. It should not exceed 30% of the total amount. 2. Distiller's grain feed chicken's distiller's grains contain a large amount of crude fiber, which cannot be digested and used by chickens. It also affects the absorption of other nutrients in the feed. After eating the lees, chickens can cause digestive disorders and malnutrition. 3, that the eggshell is a good calcium feed, in fact, the eggshell is susceptible to deterioration, and carry bacteria. Therefore, when feeding eggshells, they should be dried in time, strictly disinfected, and properly stored so as not to cause diseases. 4. Feeding chickens with raw grains such as corn, wheat, sorghum, and grains is actually a waste of food, and it does not yield good results. Because chickens have no teeth and the digestive tract is short, the foods they eat stay in the digestive tract for a short period of time, coupled with fast metabolism of the chickens, and are often excreted without being completely digested. Therefore, the raw grains should be crushed and fed, or be formulated into compound feeds according to the nutritional needs of the chicken. 5. Feeding rabbits with silage is a herbivore. Due to the large acidity of silage, the alkaline liquid secreted by the garden sac of the caecal junction cannot be neutralized, and it is likely to cause indigestion and even acidosis in rabbits. 6, raw bean cake feed chicken raw bean cake contains anti-trypsin, hemagglutinin and other harmful substances. Feeding chickens directly will not only reduce the utilization of the bean cake, but also hinder the growth and development of the chicks and affect the hens' egg production. Tests have shown that when raw chicken cakes are used to feed chickens, the egg production rate is reduced by about 20%. The correct method is to warm the raw bean cake to about 100°C to destroy the harmful substances, and then feed the chicken. 7. Some chicken farmers believe that the more fishmeal used, the better the cost of feeding fishmeal is not only higher but also more susceptible to vomiting. When using fish meal to formulate feed, the amount should be controlled below 10%. Once the chicken is found to suffer from vomiting, the amount of fishmeal should be reduced in time. Author unit: Shuyuan Town, Nanhui District, Shanghai
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