The efficacy of A. will effectively complement the incompleteness of endogenous enzymes, decreasing the level of diseases of the digestive tract,promotes the absorption of protein, starch. B. Promotes the growth of animals to increase the average daily weight gain of animals V. enhance immunity, enhance the ability to adapt to changing acrawsa environment will reduce the mortality. G. Lay against the nutrition factor in the feed,will reduce vsyakosti chyme,enhances the absorption and digestion. D. Decompose the cellulose in feed to effectively of the digestive enzymes in contact with different nutrients in the cells,increases the digestibility of nutrients. Feature: A. a Wide range of enzyme cellulase with high activity of β-glucokinase B. Xylanase "Baijia" has a wide adaptability to PH,even better improves the efficiency of the action. Century has a favorable thermal stability G. Natural strain,safety