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

文献类型: 外文期刊

作者: Yang, Jinsong 1 ; Zhao, Songsong 1 ; Zhi, Wenbo 1 ; Lu, Tianyu 1 ; Qiao, Huahua 1 ; Liu, Wei 1 ; Dou, Ying 1 ; Tan, Haisheng 2 ; Zhou, Hanlin 3 ;

作者机构: 1.Hainan Univ, Coll Food Sci & Engn, Haikou, Hainan, Peoples R China

2.Hainan Univ, Coll Mat Sci & Engn, Haikou, Hainan, Peoples R China

3.Chinese Acad Trop Agr Sci, Zhanjiang Expt Stn, Zhanjiang, Peoples R China

4.Chinese Acad Trop Agr Sci, Trop Crops Genet Resources Inst, Minist Agr & Rural Affairs Germplasm Resources Con, Key Lab,Minist Agr & Rural Affairs Crop Gene Resou, Danzhou, Peoples R China

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 )

ISSN:

年卷期: 2024 年 15 卷

页码:

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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