Chemical probiotics can be absorbed and utilized by nutrients in the intestines of animals to promote their growth and reproduction, thereby inhibiting the growth of harmful bacteria. There are many kinds of oligosaccharides, such as isomalto-oligosaccharides, soy oligosaccharides, oligofructose
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2.1.3.3 Supplementary chemical probiotics
Chemical probiotics can be absorbed and utilized by nutrients in the intestines of animals to promote their growth and reproduction, thereby inhibiting the growth of harmful bacteria. There are various oligosaccharides, such as isomalto-oligosaccharides, soybean oligosaccharides, oligofructose, galactooligosaccharides, lactulose oligosaccharides, xylooligosaccharides, gentian oligosaccharides and mannooligosaccharides.
2.1.3.4 Scientific and reasonable processing and storage
Minimize the moisture content of probiotic products. For anaerobic live bacteria preparations, contact oxygen as little as possible. It can be coated or encapsulated. The product should be stored at low temperature as much as possible. Conditionally, it can be stored refrigerated while minimizing storage. time.
2.2 enzyme preparation
The discovery of enzyme preparations originated from the concern of fermentation. In 1897, the yeast cell extract was used to ferment sugar into alcohol and carbon dioxide, which proved that the cell contents played a key role in this process, saying that the substance is an enzyme. Then the substance was extracted by crystal structure, and finally proved that the essence of these enzymes is protein. Since then, the theory of enzyme preparation has been continuously improved and enriched. The straw granulator straw granulator produced by Futong New Energy is a farmer. A good choice for pressing pelleted feed.
2.2.1 The essence and role of the enzyme preparation:
The essence of the enzyme preparation is to achieve high-efficiency biological activity and to increase the speed of biological reaction by specifically decomposing or synthesizing the chemical structure of a specific substrate. The feed enzyme preparation focuses on degrading the corresponding substrate in the feed by adding the corresponding enzyme preparation in the feed, by decomposing the substrate, releasing nutrients for animal absorption or utilization, or alleviating the anti-nutritional effect of the substrate. . A comprehensive description of the various sources of information on the role of enzyme preparations can be summarized as follows:
(1) Decomposing non-starch polysaccharides in feed, reducing intestinal viscosity and increasing the effective energy value of feed;
(2) Promote the absorption rate of feed protein, starch, fat and other nutrients, and reduce the ratio of feed to meat or egg to egg;
(3) Preventing post-intestinal transitional fermentation of animals, preventing or improving the occurrence of intestinal diarrhea, improving intestinal micro-ecological balance, improving immunity and promoting animal health;
(4) Conducive to the development of unconventional feed resources, ease the contradiction between supply and demand of feed ingredients, and reduce feed costs;
(5) Adjust intestinal function, reduce excretion of fecal organic matter, improve nutrient utilization, and reduce environmental pollution;
(6) Improve the quality of animal products and promote the stability of animal growth and production performance.
2.2.2 History and realistic reflection of phytase
As one of the enzyme preparations, phytase is currently the most widely used and most widely used enzyme in feed. The re-examination and review of the application history of feed enzyme preparations has important reference value for the current development and application of other enzyme preparations. Before 1995, little knowledge of phytase was known in China. Until 2000, the use of phytase in feed was still in a stage of suspicion and hesitation. Manufacturers of phytase production at this stage were responsible for introducing phytase. Responsibility for function, between 2000 and 2003, about 25% of manufacturers began to accept, select and use phytase. Between 2004 and 2007, the number of manufacturers using phytase increased to more than 80%, and phytase promotion manufacturers began to increase. From the initial selection of products with brand influence to the attempt to use cheaper products, the market price competition is fierce and the products are mixed. . From 2008 to 2010, the use of phytase by feed manufacturers has become quite common. With the fierce competition in the market, the products are already in a low-profit state. The lack of strength of phytase manufacturers is gradually eliminated, the market is regulated, and the price is relatively stable.
Throughout the application history of phytase in feed, we can get the following enlightenment: 1 The application of enzyme preparation in feed is analyzed by phytase as a typical representative. It is feasible in theory and practice, and the enzyme preparation can be The biological activity of the animal's intestines; 2 enzyme preparation as a biological product, the cost performance of the application in the feed is not fixed, will continue to change over time, which is due to strain selection, bioengineering technology And the fermentation process technology continues to improve. The domestic market initially sold 500 units of enzyme-activated phytase products because the fermentation activity was low at the time. Later, with the improvement of technology, the production and sales of phytase activity continued to increase. . The corresponding price is constantly decreasing. Therefore, after the price/performance ratio is increased, the amount added in the feed also continues to increase, and a good input-output ratio is obtained. 3 Manufacturers are highly sensitive to the emergence of new types of feed additives, especially biological agents, and are timely mastered, scientifically analyzed and evaluated through small-scale trials and large-scale trials. The sooner the phytase is accepted, the better it can benefit from it. The early use of phytase manufacturers can effectively reduce costs, improve product competitiveness, and expand market share. The use of phytase in the early and late time difference can reverse the competitive situation of feed manufacturers in the market.
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