Feed complex enzyme preparations have the following three major functions: (1) elimination of anti-nutritional factors in feed, hydrolysis of cellulose, wood cellulose, pectin to glucose, degradation of glycoproteins to glycopeptides, reduction of anti-nutritional factors, and prevention of constrains The body digests and uses nutrients for feeding. (2) Destroy the cell wall of the feed plant, release its cell contents, soften and liquefy the feed, and decompose the protein, starch, and cellulose contained in the feed, such as wheat, cakes, corn, etc., so that the animal can hardly absorb nutrients. Be fully utilized to increase feed remuneration. (3) Timely replenish the deficiency of endogenous enzymes in animals' intestinal tract, enhance physical fitness, and reduce the occurrence of diseases. A dairy farm in Zhangjiagang City, Jiangsu Province began in November 2002. 1.3‰JZ338B forage complex enzyme preparation was added to the concentrate of dairy cows. After 4 months of feeding and observation, under the conditions of unchanged feed formulation and management techniques, 36 The head of adult dairy cows produced daily: January 20.97 kilograms, an increase of 2.44 kilograms over the same period last year; in February 23.06 kilograms, an increase of 3.18 kilograms over the same period last year. The milk fat percentage and milk protein ratio reached 3.45% and 3.13%, respectively, which were 0.45 and 0.33 percentage points higher than last year respectively. The use of enzyme preparations is not only cheap (according to the calculation of the cattle farm, each cow only invested 0.17 yuan more per day), but also can effectively increase milk production, while the quality of fresh milk has also been significantly improved, with considerable economic benefits.
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