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乳酸菌接种剂对红薯饮料渣青贮品质的影响

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  • 中国农业大学工学院, 北京 100083
郑明利(1989—),男,湖北麻城人,博士研究生,研究方向为生物质资源开发与利用。E-mail: zhengml@cau.edu.cn

收稿日期: 2014-10-29

  网络出版日期: 2015-06-17

基金资助

国家国际科技合作专项"现代奶业中非粮型饲料调制及高效利用研究"(2015DFG32360)

Effects of Lactic Acid Bacterial Inoculants on Quality of Sweet Potato Beverage Residue Silage

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  • College of Engineering, China Agricultural University, Beijing 100083, China

Received date: 2014-10-29

  Online published: 2015-06-17

摘要

本试验旨在研究不同乳酸菌接种剂对红薯饮料渣青贮品质的影响。试验分为4组:对照组及分别添加含有植物乳杆菌(T1)、戊糖片球菌(T2)以及植物乳杆菌+戊糖片球菌+屎肠球菌(T3)乳酸菌接种剂的试验组。使用聚乙烯袋真空包装,室温贮藏60 d后取样分析。结果表明:与对照组相比,试验组红薯饮料渣青贮的pH显著降低(P<0.05),乳酸含量显著提高(P<0.05);T3组粗蛋白质含量显著增加(P<0.05),且显著高于其他组(P<0.05)。综上所述,添加乳酸菌接种剂能进一步提高红薯饮料渣的青贮品质,并且乳酸菌接种剂中乳酸菌种类多样性越丰富效果越明显。

本文引用格式

郑明利, 王慧丽, 郝薇, 宁婷婷, 徐春城 . 乳酸菌接种剂对红薯饮料渣青贮品质的影响[J]. 动物营养学报, 2015 , 27(6) : 1970 -1975 . DOI: 10.3969/j.issn.1006-267x.2015.06.037

Abstract

This experiment was conducted to investigate the effect of lactic acid bacterial inoculants on the quality of sweet potato beverage residue silage (SPBRS). There were four groups in this experiment, the control group and other three experimental groups which were added different lactic acid bacterial inoculants, namely Lactobacillus plantarum (T1), Pediococcus pentosaceus (T2) and Lactobacillus plantarum+Pediococcus pentosaceus+Enterococcus faecium (T3). Silages were sealed in polythene bags, stored at ambient temperature and analyzed after 60 days of ensiling. The results were showed as follows: compared with the control group, the pH of SPBRS which were added inoculants were significantly decreased (P<0.05), lactic acid contents were significantly increased (P<0.05), the crude protein content of T3 group was significantly increased (P<0.05) and significantly higher than that in other groups (P<0.05). It is concluded that adding lactic acid bacteria inoculants can improve the quality of SPBRS, especially for the treatment where the diversity of lactic acid bacteria is abundant.

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