期刊
BIORESOURCE TECHNOLOGY
卷 284, 期 -, 页码 240-247出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2019.03.129
关键词
Alfalfa; Fermentation quality; Microbial community; Mixed ensiling; Moringa oleifera
资金
- National Key RD Projects [2017YFD0502102-02]
- 2018 Big Pig-producing County Reward Funds (Research and promotion of key technologies for healthy feeding of pigs and resource utilization of manure pollution)
- National Natural Science Foundation of China Project [31702177]
- Forestry Science Technology and Innovation Commission [2018KJCX001]
The silage quality of alfalfa and stylo without or with 25%, 50% Moringa oleifera leaves (MOL) was investigated, and microbial community after ensiling was analysed. Results showed that the silage samples with MOL have lower butyric acid (0.50 vs 1.20, 0.60 vs 14.5 g/kg dry matter (DM) in alfalfa and stylo silage, respectively), ammonia-N (152 vs 262, 109 vs 180 g/kg total N) content and DM loss (7.71% vs 14.6%, 6.49% vs 18.9%). The addition of MOL also influenced the bacterial community distribution. The relative abundance of Enterobacter decreased from 58.6% to 30.5%, 17.4% to 9.1% in alfalfa and stylo silage when 50% MOL was added. Clostridium decreased from 23.5% to 0.2% in stylo silage, whereas Lactobacillus abundance increased from 30.4% to 49.9%, 41.8% to 86.0% in alfalfa and stylo silage, respectively. In conclusion, mixing with MOL could be a feasible way to improve the quality of alfalfa and stylo silage.
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