Enzymes are proteins with special functions that play a special role in animals. Feeds undergo a series of chemical reactions in animals to be digested and absorbed, and enzymes are the catalyst for these chemical reactions. It can speed up the digestion and absorption of feed. The action of the enzyme is specific, that is, different enzymes only catalyze the corresponding substances, but do not catalyze the non-corresponding substances. For example, amylase only promotes the digestion of starch, and protease only promotes protein digestion.
A catalytically active enzyme product, called an enzyme preparation, is produced by a bioengineering method. There are many kinds of enzymes, which are generally divided into two types: single enzyme preparation and complex enzyme preparation. The enzyme preparations added in the feed mainly include: amylase, protease, cellulase, β-glucanase, pectinase, and plant. Acidase, low-temperature amylase, galactosidase, complex enzyme, and the like.
The enzyme preparation added to the feed is as follows:
1. Adding enzyme preparation to the feed can supplement the deficiency of endogenous enzyme activity, especially to change the deficiency and activity of digestive enzymes in young animals.
2. Adding enzyme preparations to the feed can reduce or eliminate the anti-nutritional factors in the feed.
3. Adding enzyme preparation to the feed can reduce the digestive tract chyme, increase the effective absorption area of ​​the intestinal wall, and promote the contact and absorption rate of nutrients and the digestive tract membrane.
4. Adding enzyme preparation to the feed can change the distribution of intestinal flora.
In summary, the enzyme preparation has a special effect in the feed, and the addition of the enzyme preparation in the livestock and poultry diet can improve the feed utilization and body weight of the livestock and poultry. Therefore, in recent years, enzyme preparations have been widely used.
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