草业学报2013，Vol.22Issue(3)：108-115,8.DOI:10.11686/cyxb20130314
添加绿汁发酵液、乳酸菌制剂和葡萄糖对象草青贮发酵品质的影响
Effects of FJLB, LAB and glucose addition on fermentation quality of napier grass (Pennisetum purpureum) silage
摘要
Abstract
The effects of adding pre-fermented juice of epiphytic lactic acid bacteria (FJLB),lactic acid bacteria (LAB) and glucose (G) on fermentation quality of napier grass (Pennisetum purpureum) were evaluated.The treatments were control (without additives),FJLB,LAB,G,FJLB+G,and LAB+G.The silos were opened on 3,7,14,and 30 days after ensiling and the fermentation quality was analysed.Compared with the control,LAB addition had no significant effect on fermentation quality,while FJLB addition reduced fermentation quality In the FJLB addition treatment,lactic acid and water soluble carbohydrate decreased significantly (P＜0.05)while pH,ammonia nitrogen,acetic acid and butyric acid increased significantly (P＜0.05).In the G,LAB+G,and FJLB+G addition treatments,lactic acid content increased significantly (P＜0.05) at an early stage of ensiling,maintaining a high lactic acid/acetic acid value throughout the fermentation process.pH and ammonia nitrogen content of the final silages decreased significantly (P＜0.05),but with no significant difference between the three treatments.In conclusion,glucose addition was more important and efficient in stimulating homofermenter activity and in improving the fermentation quality of napier grass silage than inoculation with lactic acid bacteria (LAB or FJLB).关键词
象草/绿汁发酵液/乳酸菌/葡萄糖/发酵品质Key words
napier grass/ FJLB/ LAB/ glucose/ fermentation quality分类
农业科技引用本文复制引用
荣辉,余成群,陈杰,下条雅敬,邵涛..添加绿汁发酵液、乳酸菌制剂和葡萄糖对象草青贮发酵品质的影响[J].草业学报,2013,22(3):108-115,8.基金项目
国家自然科学基金面上项目(30771530)和江苏省普通高校研究生科研创新计划项目资助. （30771530）
