REVIEW PAPER
 
KEYWORDS
TOPICS
ABSTRACT
Fermentation and enzymolysis are commonly used biological treatment methods to treat forage, especially unconventional one. Both these treatments can improve the nutritional value of the forage, reduce the content of anti-nutritional factors and ameliorate the digestibility of feed. Microbial-enzymatic synergism treatment constitutes an organic combination of fermentation and enzymolysis, which can strengthen the processing of forage and achieve a superior feeding effect. In this review, the objectives of microbial-enzymatic synergism treatment are summarized, including decomposing macromolecular nutrients, decreasing anti-nutritional factors and increasing specific target products. The substrates, microbes and enzymes used in microbe-enzyme synergy are also summarized. Furthermore, the similarities and differences between one-step and two-step technological processes of synergy are presented and the current evaluation system of microbial-enzymatic synergism treatment is reviewed. Existing problems and future development directions of microbial-enzymatic synergism treatment are also discussed.
FUNDING
This study was supported by the Special project of the Ministry of Science and Technology of China (2017YFE0129900), National Natural Science Foundation of China (32072771).
CONFLICT OF INTEREST
The authors declare that there is no conflict of interest.
 
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