Skillfully using bran to strengthen livestock and poultry

Bran is a by-product of flour processing and has been widely used as livestock feed by farmers due to its relatively low price. However, the content of crude fiber in bran is relatively low, and the content of essential amino acids in crude protein is unbalanced. In addition, the proportion of calcium and phosphorus in bran is seriously unbalanced. For instance, if feed is used to feed livestock and poultry, the amount used is unreasonable and not only insufficient. Using its feed value, it will result in wastage of feed and adverse feed consequences. Therefore, scientifically use bran to feed livestock and poultry. A reasonable mix of feed. The lower energy content of bran should be used in conjunction with high energy feeds such as corn and sorghum. When using bran to feed livestock and poultry, it is necessary to carefully account for the essential amino acid content of the feed and add a proper balance of methionine and lysine. The proportion of calcium and phosphorus in bran is seriously imbalanced. When using it, attention must be paid to the supplement of calcium such as bone meal, shell powder, and eggshell powder, so that the ratio of calcium to phosphorus in livestock and poultry diets can reach 1.5 to 2.1. Avoid using dry bran to feed livestock and poultry. The bran cortex is fluffy and has strong water absorption, such as long-term large-scale dry feeding and insufficient drinking water, which can easily lead to constipation in poultry. Appropriate control of bran feed. In the bran, crude fiber and phosphorus are high in organic compounds and have laxative properties. Therefore, the dams should be fed with brackish salt bran soup and light sugar bran soup to facilitate the intestines. The amount of feed should be properly controlled for breeding livestock, young animals, and livestock. Tests have shown that the proportion of bran in total feeding is less than 20% for pigs fed, 20%-25% for cattle and sheep, less than 15% for chickens fed, and 2%-8% for broilers. China Agricultural Network Editor