数字农科院2.0

Fermentation quality and chemical composition of shrub silage treated with lactic acid bacteria inoculants and cellulase additives

文献类型： 外文期刊

作者： Yu, Zhu;Zhao, Shufen;Cai, Yimin;Sun, Qizhong;Gao, Fengqin;Tao, Ya

作者机构：

关键词： cellulase;fermentation quality;lactic acid bacteria;shrub silage

期刊名称： ANIMAL SCIENCE JOURNAL

ISSN： 1344-3941

年卷期： 2012 年 83 卷 4 期

页码：

收录情况： SCI

摘要： Effects of lactic acid bacteria (LAB) inoculants and cellulase additives on fermentation quality and chemical compositions of shrub silages were studied by using a small-scale fermentation system. Two LAB inoculants of Qingbao (Lactobacillus plantarum, Pediococcus acidilacticii, Lactobacillus casei and Clostridium phage) and Caihe (Lactobacillus plantarum, Lactobacillus brevis and Pediococcus acidilactici) and a commercial cellulase made from Trichoderma reesei were used as additives for intermediate pea-shrub, rush bushclover, arborescent ceratoides and shrubby silage preparation. The crude protein, neutral detergent fiber and water-soluble carbohydrate contents of the four shrub materials were 10.114.2, 62.667.2 and 1.93.5% on a dry matter basis, respectively. All shrub silages had pH 3.404.43, ammonia-N 0.10.2% g/kg and lactic acid 1.32.9% on a fresh matter basis. The silage quality of LAB-inoculated silages did not have a greater effect than control silages, except shrubby silage preparation. Silages treated with the cellulase, the pH of rush bushclover and shrubby sweetvetch silage were significantly (P < 0.05) lower and the lactic acid content were significantly (P < 0.05) higher than the control silages. The results confirmed that shrub contained a relatively high content of crude protein; its silages can be preserved in good quality, and they are new potential resources for livestock feed.

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