青贮微生物及其对青贮饲料发酵品质影响的研究进展

doi:10.11733/j.issn.1007-0435.2017.03.003

草地学报 ›› 2017, Vol. 25 ›› Issue (3): 460-465.DOI: 10.11733/j.issn.1007-0435.2017.03.003

青贮微生物及其对青贮饲料发酵品质影响的研究进展

许冬梅, 张萍, 柯文灿, 郭旭生

兰州大学生命科学学院草地农业生态系统国家重点实验室, 甘肃兰州 730000

收稿日期:2016-10-21 修回日期:2017-06-16 出版日期:2017-06-15 发布日期:2017-08-29
通讯作者: 郭旭生
作者简介:许冬梅(1993-),女,甘肃张掖人,硕士研究生,主要从事饲料青贮技术与营养价值评价研究,E-mail:xudm15@lzu.edu.cn
基金资助:
国家自然基金（3167130106）；甘肃省2016年草牧业试验试点和草业技术创新联盟科技支撑项目（GCLM2016002）资助

Research Process in Silage Microorganism and Its Effects on Silage Quality

XU Dong-mei, ZHANG Ping, KE Wen-can, GUO Xu-sheng

School of Life Sciences, State Key Laboratory of Grassland and Agro-Ecosystems, Lanzhou University, Lanzhou, Gansu Province 730000, China

Received:2016-10-21 Revised:2017-06-16 Online:2017-06-15 Published:2017-08-29

摘要/Abstract

摘要：

青贮微生物在饲料发酵过程中起关键作用。无论是牧草表面附着的微生物还是外源添加的微生物菌剂在青贮发酵过程中对青贮微生物的群落结构及其演替过程都起着重要的作用，而青贮发酵过程中微生物的群落结构及其演替过程与代谢产物很大程度上影响着青贮饲料的发酵品质。本文阐述了青贮微生物群落结构，微生物在青贮过程中的演替及其对青贮饲料品质的影响。从目前研究结果来看，不同牧草及同种牧草生长在不同环境中其表面附着微生物存在很大差异。添加乳酸菌对提高青贮品质效果不稳定，还需了解牧草附着微生物特性决定是否需要接种乳酸菌以得到优质青贮饲料。

关键词: 青贮发酵, 青贮微生物, 群落结构及演替, 发酵品质

Abstract:

Silage microbes play a key role during ensiling. Both epiphytic and inoculated microorganisms have effects on microbial community and community succession during fermentation, which to some extent affect the fermentation quality of silage. This article exposited microflora structure and succession, and its effects on fermentation quality of silages. Shown from the present researches, epiphytic microbes are of great difference in different forage species and under different growth environments. The effect of addition lactic acid bacteria to improve silage quality is unstable. It is necessary to know the characteristics of epiphytic forage microbes to determine whether lactic acid bacteria need to be inoculated to get high-quality silage.

Key words: Silage fermentation, Silage microorganism, Microflora and succession, Fermentation quality

中图分类号:

S816.53

许冬梅, 张萍, 柯文灿, 郭旭生. 青贮微生物及其对青贮饲料发酵品质影响的研究进展[J]. 草地学报, 2017, 25(3): 460-465.

XU Dong-mei, ZHANG Ping, KE Wen-can, GUO Xu-sheng. Research Process in Silage Microorganism and Its Effects on Silage Quality[J]. Acta Agrestia Sinica, 2017, 25(3): 460-465.

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青贮微生物及其对青贮饲料发酵品质影响的研究进展

Research Process in Silage Microorganism and Its Effects on Silage Quality

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