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Bioresour Technol. 2018 Oct;265:563-567. doi: 10.1016/j.biortech.2018.05.097. Epub 2018 May 29.

Assessing the fermentation quality and microbial community of the mixed silage of forage soybean with crop corn or sorghum.

Author information

1
State Key Laboratory of Microbial Resources, Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, China.
2
Institute of Economic Crops, Shanxi Academy of Agricultural Sciences, Shanxi 032200, China.
3
State Key Laboratory of Plant Cell and Chromosome Engineering, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Beijing 100101, China.
4
State Key Laboratory of Microbial Resources, Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, China; School of Life Science, University of Chinese Academy of Sciences, Beijing 100039, China.
5
State Key Laboratory of Microbial Resources, Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, China; School of Life Science, University of Chinese Academy of Sciences, Beijing 100039, China. Electronic address: zhongj@im.ac.cn.

Abstract

The silage quality of forage soybean (FS) rich in protein with crop corn (CN) or sorghum (SG) rich in water soluble carbohydrate was investigated, and microbial community after ensiling was analyzed. Results showed that pH in mixed silages dropped to 3.5-3.8 lower than 100%FS silage (4.5). Microbial analysis indicated that mixed ensiling could influence the microbial community. Although Lactobacillus and Weissella were the dominant genera in all silage samples, Lactobacillus abundance in mixed silages (33-76%) was higher compared with 100%FS silage (27%). In conclusion, FS ensiled with CN or SG could be an alternative approach to improve FS silage quality.

KEYWORDS:

Fermentation quality; Forage soybean; Microbial community; Mixed ensiling

PMID:
29861298
DOI:
10.1016/j.biortech.2018.05.097
[Indexed for MEDLINE]

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