Understand the nutritional role of protein in pigs
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The protein of the carcass organ tissue is continuously updated during the metabolic process. According to research, half of the body's protein is updated in 6-7 months. So even casual livestock need protein. Supply energy. When the heat energy supplied by fat and carbohydrate is insufficient, the protein is decomposed and oxidized in the body to release heat energy to supplement energy. In addition, excess protein can be stored in the liver, muscles, etc. It is also possible to convert the nitrogen-free portion into fat by deamination and store it in order to supply heat energy when the heat energy in the feed is insufficient.
When the protein in the feed is deficient, neither fat nor carbohydrates can replace the nutritional effect of the protein. The general performance is impaired growth, weight loss, abnormal estrus in the sows, fetal dysplasia, stillbirths, thin piglets, and reduced milk production. Boars have reduced sperm counts and decreased semen quality, affecting conception rates. Too much protein in the feed also has an adverse effect, which not only increases feed costs and causes unnecessary waste, but also causes metabolic disorders and protein poisoning in the long-term feeding, so it is necessary to provide reasonable protein levels according to the pig's different developmental stages and physiological conditions. .