The Effect of Lactiplantibacillus plantarum ZZU203, Cellulase-Producing Bacillus methylotrophicus, and Their Combinations on Alfalfa Silage Quality and Bacterial Community
文献类型: 外文期刊
第一作者: Zhang, Xueying
作者: Zhang, Xueying;Zhao, Shanshan;Wang, Yanping;Yang, Fengyuan;Wang, Yuan;Fan, Xiaomiao;Feng, Changsong
作者机构:
关键词: alfalfa silage; absolute quantification 16S-seq; fermentation quality; Lactiplantibacillus plantarum; cellulase-producing Bacillus methylotrophicus
期刊名称:FERMENTATION-BASEL ( 影响因子:3.7; 五年影响因子:4.5 )
ISSN:
年卷期: 2023 年 9 卷 3 期
页码:
收录情况: SCI
摘要: This study assessed the effects of Lactiplantibacillus plantarum (ZZU203), cellulase-producing Bacillus methylotrophicus (CB), or their combination (ZZU203_CB) on the fermentation parameters of alfalfa after 10 and 60 days of ensiling. Additionally, the bacterial community compositions were analyzed using absolute quantification 16S-seq (AQS). The results showed that CB silage displayed a higher lactic acid (LA) concentration at 10 d, a higher abundance of Lactobacillus, and lower abundance of Pediococcus, Enterococcus, and Weissella than those in the control (CK) silage. Compared with CK silage, the ZZU203 silage increased LA concentration, fructose and rhamnose concentrations, and the abundance of Lactobacillus, and decreased pH value, ammoniacal nitrogen, acetic acid, neutral detergent fiber and acid detergent fiber concentrations, and the abundance of Pediococcus, Enterococcus, Weissella, Hafnia, and Garciella after 60 days of ensiling. In addition, ZZU203 and ZZU203_CB silage had a similar silage quality and bacterial community, while the inoculation of ZZU203_CB significantly promoted LA accumulation and the numbers of Lactobacillus at 10 d compared with ZZU203 silage. Therefore, ZZU203 or a combination of ZZU203 and CB can be used as potential silage additives to improve the silage quality of alfalfa.
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