摘要
本文综述了饲用微生物制剂的定义和作用机理。针对目前饲用微生物制剂使用效果不一致的问题分析了其影响因素,并就饲用微生物应具备的条件,在使用中的安全问题、功效评价等研究进展,以及今后的研究发展方向进行了探讨。
The definition and mechanism of direct-fed microbials are summed up in this paper. The qualification, safety question, effect evaluation of direct-fed microbials are also studied. There are many effectors when using direct-fed microbials.