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Alterations in rumen microbiota via oral fiber administration during early life in dairy cows

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Title: Alterations in rumen microbiota via oral fiber administration during early life in dairy cows
Authors: Kodithuwakku, Heshan Browse this author
Maruyama, Daiki Browse this author
Owada, Hisashi Browse this author
Watabe, Yuto Browse this author
Miura, Hiroto Browse this author
Suzuki, Yutaka Browse this author →KAKEN DB
Hirano, Kazuo Browse this author
Kobayashi, Yasuo Browse this author →KAKEN DB
Koike, Satoshi Browse this author →KAKEN DB
Issue Date: 24-Jun-2022
Publisher: Nature Portfolio
Journal Title: Scientific reports
Volume: 12
Issue: 1
Start Page: 10798
Publisher DOI: 10.1038/s41598-022-15155-0
Abstract: Bacterial colonization in the rumen of pre-weaned ruminants is important for their growth and post-weaning productivity. This study evaluated the effects of oral fiber administration during the pre-weaning period on the development of rumen microbiota from pre-weaning to the first lactation period. Twenty female calves were assigned to control and treatment groups (n = 10 each). Animals in both groups were reared using a standard feeding program throughout the experiment, except for oral fiber administration (50-100 g/day/animal) from 3 days of age until weaning for the treatment group. Rumen content was collected during the pre-weaning period, growing period, and after parturition. Amplicon sequencing of the 16S rRNA gene revealed that oral fiber administration facilitated the early establishment of mature rumen microbiota, including a relatively higher abundance of Prevotella, Shuttleworthia, Mitsuokella, and Selenomonas. The difference in the rumen microbial composition between the dietary groups was observed even 21 days after parturition, with a significantly higher average milk yield in the first 30 days of lactation. Therefore, oral fiber administration to calves during the pre-weaning period altered rumen microbiota, and its effect might be long-lasting until the first parturition.
Type: article
URI: http://hdl.handle.net/2115/86471
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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