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Identification of the core rumen bacterial taxa and their population dynamics during the fattening period in Japanese Black cattle

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Title: Identification of the core rumen bacterial taxa and their population dynamics during the fattening period in Japanese Black cattle
Authors: Miura, Hiroto Browse this author
Hashimoto, Takuya Browse this author
Kawanishi, Yukiko Browse this author
Kawauchi, Hiroki Browse this author
Inoue, Ryo Browse this author
Shoji, Noriaki Browse this author
Saito, Kunihiko Browse this author
Sekiya, Mario Browse this author
Saito, Yosuke Browse this author
Yasuda, Jumpei Browse this author
Yonezawa, Chiemi Browse this author
Endo, Tetsushiro Browse this author
Kasuya, Hirotaka Browse this author
Suzuki, Yutaka Browse this author
Kobayashi, Yasuo Browse this author →KAKEN DB
Koike, Satoshi Browse this author →KAKEN DB
Keywords: beef cattle
Japanese Black cattle
rumen microbiota
Issue Date: 2021
Publisher: John Wiley & Sons
Journal Title: Animal science journal
Volume: 92
Issue: 1
Start Page: e13601
Publisher DOI: 10.1111/asj.13601
Abstract: The rumen microbiota comprises a vast range of bacterial taxa, which may affect the production of high-quality meat in Japanese Black cattle. The aim of this study was to identify core rumen microbiota in rumen fluid samples collected from 74 Japanese Black cattle raised under different dietary conditions using 16S rRNA gene amplicon sequencing. In the rumen of fattening Japanese Black cattle, 10 bacterial taxa, showing >1% average relative abundance and >95% prevalence, irrespective of the dietary conditions and the fattening periods, were identified as the core rumen bacterial taxa, which accounted for approximately 80% of the rumen microbiota in Japanese Black cattle. Additionally, population dynamics of the core rumen bacterial taxa revealed two distinct patterns: Prevotella spp. and unclassified Bacteroidales decreased in the mid-fattening period, whereas unclassified Clostridiales, unclassified Ruminococcaceae, Ruminococcus spp., and unclassified Christensenellaceae increased during the same period. Therefore, the present study reports the wide distribution of the core rumen bacterial taxa in Japanese Black cattle, and the complementary nature of the population dynamics of these core taxa, which may ensure stable rumen fermentation during the fattening period.
Type: article
Appears in Collections:農学院・農学研究院 (Graduate School of Agriculture / Faculty of Agriculture) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

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