SPECIAL COLUMN:RESEARCH PROGRESS ON FEED NUTRITION

Theoretical Exploration and Practical Study of Ruminant Enzyme Preparation to Improve Synergistic Ecosystem of Rumen Enzyme and Bacteria

  • FENG Dingyuan ,
  • ZUO Jianjun
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  • College of Animal Science, South China Agricultural University, Guangzhou 510642, China

Received date: 2022-08-01

  Online published: 2022-10-17

Abstract

Enzymes used in feed of ruminants, especially diet for high producing dairy cows is effective, such as promoting roughage digestion, reduce the abnormal rumen fermentation and regulating rumen microbial activity and micro ecological balance, and so on. But because of the complexity of the feed composition and the complexity of digestive physiology, it is needed to break the limitations of traditional way of thinking of enzymes for the single stomach animals, innovate thinking for ruminant enzyme and construct special technology system. This paper summarizes the overall framework of ruminant enzyme preparation, and puts forward four innovative theories of rumen by-pass enzyme, aggregate enzyme, integration of enzyme and bacteria, combination of in vitro treatment and in vivo addition. The concept of integration of enzyme and bacteria related to rumen ecosystem was emphatically discussed, and its value of three aspects: assisting bacterial digestion, regulating the physical and chemical environment of rumen and enzymolysis of feed substrate to produce prebiotics. Finally, combined with the domestic and foreign experimental studies and the author's team, the practical significance of integration of enzyme and bacterial was demonstrated, and the basic composition of the main and auxiliary enzymes in ruminant enzyme preparation was recommended as follows: non-starch polysaccharide enzyme (xylanase, cellulase, etc.) + protease, amylase, etc. + ferulic acid lipase, arabinofuran glycosidase, etc.

Cite this article

FENG Dingyuan , ZUO Jianjun . Theoretical Exploration and Practical Study of Ruminant Enzyme Preparation to Improve Synergistic Ecosystem of Rumen Enzyme and Bacteria[J]. Chinese Journal of Animal Nutrition, 2022 , 34(10) : 6306 -6313 . DOI: 10.3969/j.issn.1006-267x.2022.10.023

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