Improvement of silage characteristics of Lactobacillus salivarius HMC4 and improvement of silage quality of king grass

文献类型: 外文期刊

第一作者: Yang, Jinsong

作者: Yang, Jinsong;Zhao, Songsong;Zhi, Wenbo;Lu, Tianyu;Qiao, Huahua;Liu, Wei;Dou, Ying;Tan, Haisheng;Zhou, Hanlin;Zhou, Hanlin

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关键词: protoplast fusion; silage; Lactobacillus; high-throughput sequencing; microbial communities

期刊名称:FRONTIERS IN MICROBIOLOGY ( 影响因子:4.5; 五年影响因子:5.2 )

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年卷期: 2024 年 15 卷

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收录情况: SCI

摘要: The effect of HMC4 produced by protoplast fusion on silage was studied. The silage formula was composed of heterozygote HMC4 (Group C), parent Lactobacillus (Group A) and a combination of two parents (Group B). The fermentation quality and microbial composition of each batch of silage were evaluated. The results showed that the propionic acid concentration in group C was the lowest, but the organic acid content in feed was significantly increased. Groups B and C had slightly lower crude fiber levels than group A, while groups A and C had higher levels of soluble sugars. The dynamic observation of C group showed that the nutrient composition of feed changed gradually with the extension of silage period. High-throughput sequencing revealed fluctuations in microbial composition before and after silage. Over time, Lactobacillus became the dominant strain and its numbers steadily increased.

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