Rumen microbiota of Tibetan sheep (Ovis aries) adaptation to extremely cold season on the Qighai-Tibetan Plateau

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dc.contributor.authorFan, Qingshan
dc.contributor.authorCui, Xiongxiong
dc.contributor.authorWang, Zhaofeng
dc.contributor.authorChang, Shenghua
dc.contributor.authorWanapat, Metha
dc.contributor.authorYan, Tianhai
dc.contributor.authorHou, Fujiang
dc.date.accessioned2022-03-01T15:43:13Z
dc.date.available2022-03-01T15:43:13Z
dc.date.issued2021-05-25
dc.descriptionPublication history: Accepted - 3 May 2021; Published online - 25 may 2021.en_US
dc.description.abstractThe Qinghai-Tibet Plateau is characterized by low temperatures and hypoxia, and this feature is more obvious in the winter. However, it is not clear how Tibetan sheep adapt to extreme cold climates. To address this, we used physiological methods combined with next-generation sequencing technology to explore the differences in growth performance, forage nutrient digestion, serum biochemical indexes, and rumen microbial communities of Tibetan sheep (Ovis aries) between the summer and winter. In the summer, owing to the high nutritional quality of the forage, the Tibetan sheep showed enhanced forage degradation and fermentation though increased counts of important bacteria in the rumen, such as Bacteroidetes, Prevotella_1, Prevotellaceae_UCG-003, Ruminococcus_1, Saccharofermentans, and Ruminococcaceae_UCG-014, to improve the growth performance and increase serum immunity and antioxidant status. In the winter, owing to the low nutritional quality of the forage, the Tibetan sheep presented low values of forage degradation and fermentation indicators. The relative abundance of Firmicutes, the Firmicutes/Bacteroidetes ratio, microbial diversity, interactive activity between microorganisms, and metabolism were significantly increased, implying that the rumen microbiota could promote the decomposition of forage biomass and the maintenance of energy when forage nutritional value was insufficient in the winter. Our study helps in elucidating the mechanism by which Tibetan sheep adapt to the high-altitude harsh environments, from the perspective of the rumen microbiota.en_US
dc.description.sponsorshipThis work was supported by the Program for Strategic Priority Research Program of the Chinese Academy of Sciences (Grant No. XDA20100102), the Second Tibetan Plateau Scientific Expedition and Research: Grassland Ecosystem and Ecological Animal Husbandry (Grant No. 2019QZKK0302), and Innovative Research Team of the Ministry of Education (Grant No. IRT_17R50).en_US
dc.identifierhttp://hdl.handle.net/20.500.12518/412
dc.identifier.citationFan, Q., Cui, X., Wang, Z., Chang, S., Wanapat, M., Yan, T. and Hou, F. (2021) ‘Rumen Microbiota of Tibetan Sheep (Ovis aries) Adaptation to Extremely Cold Season on the Qinghai-Tibetan Plateau’, Frontiers in Veterinary Science. Frontiers Media SA. doi:10.3389/fvets.2021.673822.en_US
dc.identifier.issn2297-1769
dc.identifier.urihttps://doi.org/10.3389/fvets.2021.673822
dc.language.isoenen_US
dc.publisherFrontiers Mediaen_US
dc.rights© 2021 Fan, Cui, Wang, Chang, Wanapat, Yan and Hou. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.en_US
dc.subjectTibetan sheepen_US
dc.subjectgrowth performanceen_US
dc.subjectdigestibilityen_US
dc.subjectFirmicutes/Bacteroidetesen_US
dc.subjectVFA profilesen_US
dc.titleRumen microbiota of Tibetan sheep (Ovis aries) adaptation to extremely cold season on the Qighai-Tibetan Plateauen_US
dc.typeArticleen_US
dcterms.dateAccepted2021-05-03
dcterms.dateSubmitted2021-02-28

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