Microbial additive also says beneficial gives birth to element (crude element of Probiotic) , hurried, unripe bacterium element, beneficial bacterium element and small zoology preparation.
So far, the raise of development application uses microbial variety a lot of, but stem from pair of bacterium to plant the consideration of security, our country " catalog of feed additive breed (2006) " allow uses have 16 kinds. By its bacterium is planted type, raise can be divided with microbial additive add up to fine fungus for lactic acid fungus, gemma lever fungus, yeasty fungus and light. Contain bacterium to plant by product place can divide its again for onefold bacterium agent and compound bacterium agent.
Lactobacillus is a kind of bacterium floorboard that can decompose carbohydrate to produce lactic acid, belong to with lactic acid bacili among them, double branch bacili is belonged to for the delegate. Lactic acid bacili is the advantage bacterium in path of animal stomach bowel group, applied history is the earliest, a lot of more phyletic, all build a young plant to do not have spore, oxygen of be disgusted with or oxygen of be disgusted with holding a gender concurrently, not high temperature resistant; This kind of product in actual production has lactobacillus to ferment feed, lactobacillus pink and lactobacillus extract content. The lactic acid bacili that our country allows to regard feed as additive has sick at heart of be addicted to coccus of bowel of lacteal bacili, caseous breast bacili, dung (faecal streptococci) , bacili of breast of bacili of breast of coccus of bowel of coccus of lactic acid bowel, excrement, lactic acid, plant, lactic acid piece candy of coccus, the fifth of the ten Heavenly Stem piece coccus and Bulgaria breed bacillus; And double branch bacili has two Qi Shuangqi bacili (announcement of Ministry of Agriculture the 318th, 2006) . What basically apply at present is bacili of acerbity lactic acid of be addicted to and faecal streptococci.
Gemma bacili is in animal bowel path only fragmentary existence, belong to bacterium needing oxygen. This kind of mushroom is common consist in soil, water, ferment food and animal dung at one's convenience, yi Pei is raised. Compared with accessory of lactic acid bacili ability suffers inside the stomach low PH environment, there are a few presences only in the normal organisms' habits that bowel, won't many hyperplasia, the advantage such as a variety of effective enzymatic hurried active. Its spore is right hot, pressure, acerbity, alkaline, enzymatic Ji Mou some the undesirable environment such as ray of medicaments, X is had very strong be able to bear or endure suffer a gender, machine in feed, store the stability in reaching enteron is good. The gemma bacili that our country allows to regard feed as additive has bacili of withered careless gemma and lichen gemma bacili (announcement of Ministry of Agriculture the 318th, 2006) . The microbial additive product that at present cultivate birds uses our country is given priority to with gemma bacili.
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