In recent years, with the continuous development of the feed industry, feed enzymes with the functions of improving nutrient digestibility, improving feed quality stability, and reducing environmental pollution have become indispensable auxiliaries in the feed industry. It is already the fastest growing and strongest part of the world's industrial enzyme industry, and its application effect is also recognized worldwide.
Feed enzyme preparations mainly include digestive enzymes, non-amyloglycanase and other functional enzyme preparations. Digestive enzymes such as proteases, amylases and lipases may have different structures and properties from endogenous enzymes synthesized and secreted by the animal body, but have the same function. Non-amyloglycanase degrades substances that livestock and poultry cannot digest on their own and eliminates anti-nutritional factors in feed, such as cellulase, hemicellulase, phytase, pectinase and so on. At present, complex enzymes are often used in the aquaculture industry, and the complex enzymes are compounded according to the physiological digestion characteristics of different animals and the characteristics of feeding.
Advantages of the application of feed enzyme preparations
1. Expand feed resources and reduce feed costs
According to the characteristics of different types and physiological stages of livestock and poultry and specific feed raw materials, the required enzyme preparations are added to the feed, which can improve the digestion and utilization rate of livestock and poultry on feed, expand the use of unconventional feed resources, and reduce feed costs.
2. Improve the safety of livestock products
Enzyme is a protein, is the catalyst of animal body metabolism, so it will not cause harm to livestock products, it is a natural product of microbial fermentation, there is no synthetic chemical additives of various drawbacks, it will not remain in the product, but also will not produce resistance, so we often use enzyme preparations as feed additives, so that we can produce "natural" and "green" animal products. At the same time, because of these advantages, enzyme preparations have effectively guaranteed human food safety.
3. Reduce pollution to the environment
We all know that livestock and poultry excrement contains a lot of nitrogen, phosphorus, minerals and some other substances, which can cause pollution to the environment, so when designing animal diets, it is very important to use feed additives wisely. After the enzyme preparation is added to the feed, due to the synergistic effect between the enzyme and the trace elements, the absorption of trace elements such as copper, iron and zinc can be promoted, which can reduce the amount of trace elements added to the feed. Enzyme preparations can significantly improve the digestibility of feed nutrients in animals, reduce the reproduction of harmful microorganisms, and thus replace parts of antibiotics or synthetic drugs, eliminating the use of high residue and high pollution drug additives. Enzyme preparations can also improve the digestion and utilization rate of crude protein and phosphorus phytate and greatly reduce the excretion of nitrogen and phosphorus in livestock and poultry excretion. It can be said that the addition of feed enzyme preparations to feed is of great significance for protecting the environment.
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