In the production process of raising beef cattle, some farmers and herdsmen often feed more concentrates in order to make beef cattle grow faster and longer, especially adding high-quality protein feed such as bean cake, peanut cake and soybean. Adding protein feed to beef cattle diets is not impossible. However, it should be fed according to the specific conditions and needs of the beef cattle. It is not added as much as possible. Because beef cattle have a different amount of nutrients, especially protein, during their lifetime. More added, beef cattle can not absorb and digest, not only cause feed waste, increase feed costs, but also increase the burden on the gastrointestinal tract of cattle, can also cause disease; less added, can not meet the needs of beef cattle growth and development, the impact of protein The fattening effect and the quality of the beef. So, how much protein is added to the beef cattle feed? Practice has proved that fattening beef cattle can be added to protein feed in five conditions as the most scientific.
First, the shelf cattle: in the cattle house for fattening, the weight of 300 kg of shelf cattle, the proportion of protein feed in the diet, can account for 10% to 13%. Afterwards, the body weight gradually increases, and the content of protein feed in the diet can be reduced. By the end of fattening, the content of protein feed can be 10% of the diet.
Second, yak before 3 months of age: Because of its rumen development and rumen microflora, it is still not perfect. Therefore, the protein nutrition of yak is similar to that of single-stomach livestock, and it cannot synthesize certain essential substances in the body. Amino acid. Therefore, when feeding yak 3 months old, the feed should be carefully mixed with a variety of protein feeds (such as: bean cake, cottonseed cake, etc.). A variety of protein feeds are combined, and the amino acids they contain can complement each other and make up for each other to meet the balance requirements. If the bean cake and the cottonseed cake are matched 1:1, it is better than the single-feed bean cake as the protein supplement feed of the yak, because the bean cake contains more lysine and tryptophan, and the methionine is lacking. By combining these two, amino acids can complement each other. If you mix some of the protein-containing feeds such as bran and valerian powder, the feeding effect will be better. During the growth of yak, the body protein increases rapidly, the protein requirement is large, and the younger the age, the greater the amount of protein needed, and the proportion of protein feed in the diet can account for 20%.
Third, 6 to 12 months of yak: When weighing 150-200 kg, the protein feed in the diet can be reduced to about 15%. Later, as the weight of the calf increases, the content of protein feed in the diet can be gradually reduced to 12%.
Fourth, fattening with old cattle: fattening with old cattle, the content of protein feed in the diet, only need 10%, but must feed more energy feed such as corn, sorghum, sweet potato.
5. Finishing high-grade beef cattle: When producing high-grade beef for strength fattening, the content of protein feed in the diet should be increased by 2% to 3% compared with ordinary beef fattening.
In the process of feeding and fattening beef cattle, adding protein feed according to the above ratio can avoid feed waste, and fully exert the role of feed and the performance of beef cattle. Get the highest return on feed and the best economic benefits.
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