Sodium butyrate supplementation impacts the gastrointestinal bacteria of dairy calves before weaning
文献类型: 外文期刊
第一作者: Ma, Lu
作者: Ma, Lu;Yang, Yi;Liu, Wenhui;Bu, Dengpan;Yang, Yi;Bu, Dengpan;Bu, Dengpan
作者机构:
关键词: Sodium butyrate; Calves; Gastrointestinal microbiota; 16S rRNA high-throughput sequencing; Rumen fluid; Feces
期刊名称:APPLIED MICROBIOLOGY AND BIOTECHNOLOGY ( 影响因子:5.0; 五年影响因子:5.2 )
ISSN: 0175-7598
年卷期: 2023 年 107 卷 10 期
页码:
收录情况: SCI
摘要: The objective of this study was to systematically investigate how sodium butyrate (SB) affects the gastrointestinal bacteria in newborn calves at different stages before weaning. Forty female newborn Holstein calves (4-day-old, 40 +/- 5 kg of body weight) were randomly divided into four groups; each group was supplemented with four SB doses: 0, 15, 30, and 45 g/day (ten replicates) in SB0, SB15, SB30, and SB45 groups, respectively. SB was fed with milk replacer from day 4 to day 60. Rumen fluid and feces were collected on days 2, 14, 28, 42, and 60 for 16S rRNA high-throughput sequencing. Data were analyzed in a complete randomized design and analyzed on the online platform of Majorbio Cloud Platform. The results showed that SB significantly increased the alpha-diversity in feces, especially Shannon and Chao indices in SB45 and SB30 at day 60 more than in SB15 (P < 0.05). Additionally, SB significantly enhanced Firmicutes growth from day 2 to 28 and also increased Bacteroides abundance from day 28 to 42 in rumen and feces (P < 0.05). SB also significantly inhibited Proteobacteria abundance in rumen and feces during the study period (P < 0.05). SB also promoted some potential beneficial bacterial abundance, including Prevotella, Lachnospiraceae, Clostridium, Ruminococcus, and Muribaculaceae (P < 0.05). Additionally, Escherichia-Shigella abundance at SB0 was significantly lower than in the other groups (P < 0.05). In conclusion, this study firstly reported a dynamic curve showing of the SB effects on bacteria in calves before weaning. This study provides valuable evidence for the development of the gastrointestinal tract of the calves in the early stage of the life. SB supplementation improved the gastrointestinal health by regulating the bacterial populations.
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