青贮饲料有氧变质及其预防措施研究进展

doi:10.16431/j.cnki.1671-7236.2022.11.011

Abstract

Abstract: Silage is an indispensable part of animal feed.However, once the silage is opened and in contact with the air, inevitably causing aerobic deterioration to a certain extent.Aerobic deterioration of silage would cause great losses to feed industry and animal husbandry, and seriously restrict the development of animal husbandry.Therefore, it is necessary to study the measures to prevent aerobic deterioration.The authors had fully investigated the relevant studies at home and abroad on measures to prevent aerobic deterioration of silage, and on this basis, firstly, a systematic description on the causes, hazards, related microbial changes (mold and yeast) and their impact on the quality of silage were summarized.And then, physical method (the moisture of raw material, length and storage density), chemical method (effective components in the chemical agents as acid or salt), and biological fermentation method(with enzymes (such as cellulase and hemicellulase), microbial agents (lactic acid bacteria and other probiotic bacteria), and biological active substances) and other existing silage aerobic deterioration prevention methods were reviewed, of which, the research progress on lactic acid bacteria, especially heterofermentative lactic acid bacteria and their metabolites alone and combined with other methods in preventing aerobic deterioration was focused on described.Finally, a summary of the prevention of aerobic deterioration for important silage materials including corn, straw and forage were presented, as well as suggestions and perspectives of research priorities and preventive and control measures for aerobic deterioration in the future were offered.The aim of this paper was to provide a reference for solving the problem of aerobic deterioration of silage, establishing efficient measures to prevent aerobic deterioration, improving feed quality and even promoting the development of animal husbandry.

Key words: silage; aerobic deterioration; preventive measures; lactic acid bacteria

CLC Number:

S816.5⁺3

WANG Zhenyu, TAN Zhongfang, WANG Weiwei, MA Hao, QIN Guangyong, WANG Yanping, PANG Huili. Research Progress on Aerobic Deterioration of Silage Feed and Its Preventive Measures[J]. China Animal Husbandry and Veterinary Medicine, 2022, 49(11): 4207-4217.

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Research Progress on Aerobic Deterioration of Silage Feed and Its Preventive Measures

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