Interaction effect of silo density and additives on the fermentation quality, microbial counts, chemical composition and in vitro degradability of rice straw silage
文献类型： 外文期刊
作者： Tian, Jipeng 1 ; Xu, Nengxiang 1 ; Liu, Beiyi 1 ; Huan, Hailin 1 ; Gu, Hongru 1 ; Dong, Chenfei 1 ; Ding, Chenglong 1 ;
作者机构： 1.Jiangsu Acad Agr Sci, Inst Anim Sci, 50 ZhongLingJie Rd, Nanjing 210014, Peoples R China
2.Jiangsu Acad Agr Sci, Minist Agr, Key Lab Crop & Anim Integrated Farming, Nanjing 210014, Peoples R China
关键词： Silo density; Lactic acid bacteria; Cellulosic enzymes; Rice straw silage; In vitro degradability
期刊名称：BIORESOURCE TECHNOLOGY （ 影响因子：9.642； 五年影响因子：9.237 ）
ISSN： 0960-8524
年卷期： 2020 年 297 卷
页码：
收录情况： SCI
摘要： This research evaluated the effect of molasses (M), cellulosic enzymes (E) and lactic acid bacteria (LAB) alone or in combination (M + LAB and E + LAB) on the fermentation quality, microbial counts, chemical composition and in vitro degradability of rice straw silages in different silo densities (200, 300, 400 and 500 kg/m(3)). The M or E groups alone increased the dry matter (DM) losses at low silo densities. Acetic acid produced by LAB-related groups significantly inhibited yeast and mould at the silo density of 300 kg/m(3). Under high silo densities ( > 400 kg/m(3)), LAB-related additives significantly improved the fermentation quality and reduced the DM losses. The use of E + LAB further improved the in vitro degradability of rice straw silages at high silo densities. In conclusion, higher silo density and appropriate complex additives were of great significance to improve the quality of rice straw silage.
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