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Rumen Microbial Community and Functions of Rumen Bacteria under Different Feeding Regime
Dong Chen1*, Qiyuan Tang2*, Huawei Su3, Huabing Zheng2, Kun Chen4 and Gang Zhong1
1College of Animal Sciences, Hunan Agricultural University, China
2College of Agronomy, Hunan Agricultural University, China
3College of Animal Science and Technology, China Agricultural University, China
4Hunan Aite Agriculture and Animal Husbandry Technology Development Co. LTD, China
*Corresponding author:,


The aim of the study was to evaluate the variations in the rumen ecosystem at genus level and predicted functions of rumen bacteria by using whole crop corn silage (WCS), whole rice crop silage (WRS) or rice straw (RS) as forage sources in beef cattle ration. Ruminal digesta samples from 10 bulls per treatment were collected at day 60 of experimental period. The PCoA plots based on the Bray-Curtis distance matrix expressed separation between WRS and WCS , WRS and RS using PC1 (P<0.05, 45.56%). The PCoA plots based on the Bray-Curtis distance matrix also expressed separation among WRS, WCS and RS group using PC2 (P<0.05, 11.95%). Microbiota composition resutls at genus level showed that the most abundant genus were Prevotella (13.37%) and Ruminococcus (4.00%). Comparison of treatments represented that Prevotella, Treponema and Anaerostipes were higher in WCS group as compared to other treatments. Clostridium, Anaeroplasma and RFN20 was higher in RS group as compared to other treatments. Butyrivibrio was higher in WRS and RS treatments as compared to WCS. Pseudobutyrivibrio was higher in WRS treatment as compared to RS and WCS. Fibrobacter was higher in RS and WCS as compared to WRS. The results of functional alteration of rumen microbiota in different experimental groups represented that the leading modified function of the microbiome was the transporter. Based on findings of current study, it is concluded that microbial community at genus level in the rumen of bulls was highly altered by forage type.

To Cite This Article: Chen D, Tang Q, Su H, Zheng H, Chen K and Zhong G, 2020. Rumen microbial community and functions of rumen bacteria under different feeding regime. Pak Vet J.


ISSN 0253-8318 (Print)
ISSN 2074-7764 (Online)