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Silage fermentation and ruminal degradation of cassava foliage prepared with microbial additive
AMB Express ( IF 3.7 ) Pub Date : 2019-11-09 , DOI: 10.1186/s13568-019-0906-2 Mao Li , Xuejuan Zi , Hanlin Zhou , Renlong Lv , Jun Tang , Yimin Cai
AMB Express ( IF 3.7 ) Pub Date : 2019-11-09 , DOI: 10.1186/s13568-019-0906-2 Mao Li , Xuejuan Zi , Hanlin Zhou , Renlong Lv , Jun Tang , Yimin Cai
To effectively utilize the tropical cassava (Manihot esculenta Crantz) foliage (CF) resources, the CF silages were prepared with microbial additives, including Chikuso-1 (CH1, Lactobacillus plantarum), Snow Lact L (SN, L. rhamnosus), Acremonium cellulase (CE), SN + CE and CH1 + CE. Silage fermentation, chemical composition and ruminal degradation were studied in Hainan, China. CF silages prepared with lactic acid bacteria (LAB) and CE were well preserved, with a higher (P < 0.05) lactic acid, a lower (P < 0.05) pH value, butyric acid content and NH3-N ⁄ total-N compared with the controls. The additive-treated silages showed increased crude protein (CP) content, but decreased (P < 0.05) NDF and ADF contents. Meanwhile, the additive treatment improved relative feed value and ruminal degradability of dry matter (DM), CP, neutral detergent fiber and acid detergent fiber. In addition, the combination of LAB and CE resulted in better fermentation quality and ruminal degradability compared with LAB or CE single treatment. The results demonstrated that the CF could be prepared as ruminant feed, and the combination of LAB and CE might exert beneficial synergistic effect on silage fermentation.
更新日期：2019-11-09
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