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Feed Additives Are Scientifically Added Nutrients

- Aug 16, 2018 -

Feed additives are scientifically added nutrients

Feed additive refers to a small amount or microscale of substance added during the production, processing of feed. The amount used in the feed is small but the effect is significant. Feed additives are inevitable raw materials used in the modern feed industry. They have obvious effects on strengthening the nutritional value of basic feeds, improving animal production performance, ensuring animal health, saving feed costs, and improving animal product quality.

With the rapid development of the aquaculture industry, the development and production of growth-promoting additives have also made great progress, with more types and expanded resources.

At present, various kinds of growth-promoting additives on the market are exquisite, enzyme preparations, functional peptides, acidifiers, antioxidants, and even some products made by nanotechnology have their own advantages, promoting the growth of livestock and poultry in different aspects.However, each type of livestock has its own growth characteristics, and each growth stage has its physiological form and nutritional needs. Therefore, the premise of the development and use of feed additives must study the specific growth stage of specific livestock to meet specific Physiological nutritional needs. Similarly, each feed additive should have its optimal feeding stage to perform its maximum function. For example, the lean meat essence that has been banned is in the long meat stage of fattening pigs, which can rapidly increase protein synthesis and reduce fat deposition. This also suggests that we have great growth potential in the post-fertilization stage of livestock and poultry.

Most of the enzyme preparations are considered to be added in the early development stage of livestock and poultry to compensate for insufficient secretion of intestinal digestive enzymes in the early development stage to promote digestion and absorption. However, many experiments have found that the same good effect is added during the fast weight gain period of the animal. This may be due to the fact that the diet in the late fattening period of livestock and poultry is rich in various nutrients, such as protein and fat, which exceeds the maximum level of digestion under the natural conditions of livestock and poultry, so that the digestion ability of nutrients in the intestines of livestock and poultry is restricted. Livestock and poultry absorb and metabolize nutrients so that they cannot fully exert their maximum growth performance. If protease, lipase or amylase is added in time to promote the digestion of nutrients in the intestine, the growth of livestock and poultry must be improved. Therefore, in addition to the early growth stage, the growth-promoting additives should be added in a timely manner during the late growth and fattening stage to meet the nutritional needs of livestock and poultry during the vigorous growth period and improve the growth level of livestock and poultry.

In addition, although all kinds of additives have certain nutritional effects, any single additive can not meet the growth requirements of livestock and poultry. Both theory and practice indicate that the composite additive is easier to exert its effect, even reaching the effect of 1+1>2. . Synergistic effects between different additives promote the digestion and absorption of various nutrients. For example, xylanase hydrolyzes xylan in chyme to reduce the viscosity of chyme, which can make proteases and lipases better contact with substrates; if functional peptides are absorbed, they can be activated in vivo and can be enhanced. Intestinal immunity and antioxidant capacity, thus maintaining a good intestinal digestion and absorption function, and promoting the absorption of nutrients.

Animals are a steady-state system. They cannot isolate a certain component, so the digestion and absorption of nutrients are mutually influential and mutually influential. A new generation of compound feed additives can also achieve a growth-promoting effect similar to "clenbuterol" when the animal needs to grow at the right stage.




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