Rumen prokaryotic communities of ruminants under different feeding paradigms on the Qinghai-Tibetan Plateau

Systematic and Applied Microbiology
Dan XueWei Zhan

Abstract

Yak and Tibetan sheep are the major indigenous ruminants on the Qinghai-Tibetan Plateau in China. The aim of this work was to study the differences in ruminal fermentation parameters and rumen prokaryotic community composition between hosts and feeding paradigms. The 16S rRNA genes targeting bacteria and archaea were sequenced using the MiSeq platform. The results showed that the prokaryotic community structure between yak and Tibetan sheep was significantly different (P<0.01). A significant difference in structure was also found between groups of yaks barn fed with a total mixed ration (TMR) and those naturally grazing (NG) (P=0.034), as well as for Tibetan sheep of the two groups (P=0.026). The core prokaryotic populations that existed in the rumen mostly dominated the structure. There was an obvious correlation of the prokaryotic community composition at the phylum and genus levels with the host or the feeding pattern. In addition, Tibetan sheep showed significantly higher yields of volatile fatty acids (VFAs) than yak, as did the NG group compared with the TMR group. In conclusion, both the host and feeding pattern may influence rumen microbial ecology system, with host effects being more important than those of the feeding...Continue Reading

Citations

Sep 17, 2020·Animals : an Open Access Journal From MDPI·Xian ZouDewu Liu
Jul 25, 2020·BMC Veterinary Research·Jianjun ChangWentao Ma
Aug 9, 2020·Journal of the Science of Food and Agriculture·Bohui WangYe Jin
Feb 2, 2021·Frontiers in Veterinary Science·Sinalo ManiMatthew A Adeleke
Dec 18, 2020·Asian-Australasian Journal of Animal Sciences·Qingshan FanFujiang Hou

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