First, the concept of methionine Methionine is also called methylthio acid. It participates in the body's methyl transfer, the synthesis of adrenaline, choline, creatine, the metabolism of intrahepatic fat and phospholipids require methionine. In the absence of dysplasia, weight loss, liver and kidney function are destroyed, muscles are atrophy, and the hair is degenerated. Second, the application of methionine Since methionine is easily absorbed by chickens and converted into chicken protein, methionine is added to chicken feed, which can consume less feed and longer chicken. Adding 0.25-0.28 methionine and adding 16% bean cake to the basic diet of broiler chickens is similar to the control of adding 10% fish meal, but each time a chicken is bred, the feed cost is reduced by 0.20 yuan compared with the control group, and the feed is reduced. The cost is 20%, and the economic benefit is increased by about 30%. Tests have shown that in the absence of fishmeal, the addition of methionine and supplemented beancake to fully utilize plant protein feed will also yield economic benefits. Taking bean cake as the main protein feed (the bean cake powder has low methionine content), and the diet lacking fish meal, the first limiting amino acid is methionine. In this diet supplemented with fishmeal or industrially produced methionine, protein utilization can be significantly improved. Because methionine is extremely scarce, most diets require the addition of pure DL-methionine. One reason for the lack of methionine is that a large amount of vegetable protein supplements are now used in the diet, and only low levels of animal and fish proteins are added. In addition, 0.1-0.3% methionine and lysine are added to the plant feed, and the economic benefits are very obvious. The specific addition amount should be calculated according to the deficiency of methionine and lysine in the basal diet. If there are no assays and calculation conditions, it can be added at 0.1% of the weight of the compound feed. When methionine or lysine is used, it must be uniformly stirred into the compound feed. Therefore, it is necessary to premix, the carrier is commonly used cornmeal, etc., and the ratio of amino acid products to corn flour is premixed by 2:8. The substances added with methionine and lysine should be protected from light, moisture and high temperature, and should be stored in a well-ventilated and relatively dry warehouse. It is best to use one bag of Kaifeng at one time; if it is not finished, tie the bag tightly. Third, the characteristics of lysine and methionine feed additives comparison   Lysine: Lysine is a component of animal protein and is one of the essential amino acids. Adding L-lysine to the feed can supplement the lysine deficiency in the diet, balance the amino acid composition of the diet, improve animal performance, improve pork quality and increase lean meat rate. When animals lack lysine, they show slow growth, imbalance of nerve balance, decreased subcutaneous fat, and abnormal bone calcification. Methionine: As the only essential amino acid containing sulfur (EAA) - methionine is directly involved in protein synthesis, so it must be contained in livestock and poultry diet; methionine can be converted into cystine to participate in protein synthesis, so it also has the nutritional role of cystine Methionine can also participate in the process of methyl transfer in animals (can involve hundreds of methylation processes, including certain key steps such as phosphorylcholine, creatinine, etc. involved in DNA activity and primary cancer Regulation of genes) and synthesis of adrenaline, choline, creatine and phospholipids in the liver. Therefore, the supplementation of methionine in the feed can improve the utilization of protein and improve the performance of the animal. Adding methionine to the poultry feed can also alleviate the feather disease. The lack of methionine in the diet can lead to slow growth, poor development, weight loss, egg production and lactation, liver and kidney function, muscle atrophy, and poor skin condition. Kitchen faucets Deck Mounted Kitchen Taps,Wall Mounted Kitchen Faucet,Kitchen Mixer Taps,Brass Kitchen Faucets SHENZHEN KING OF SUN INDUSTRY CO.,LTD , https://www.handybasinfaucet.com
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