文献类型： 外文期刊
作者： Wang, Yan 1 ; Yuan, Zhenjie 1 ;
作者机构： 1.Xizang Acad Agr & Anim Husb Sci, Inst Anim Husb & Vet Med, Lhasa 850009, Peoples R China
2.Minist Agr & Rural Affairs, Key Lab Anim Genet & Breeding Tibetan Plateau, Lhasa 850009, Peoples R China
关键词： Gut microbiota; Tibetan chickens; Diversity; Abundance
期刊名称：MICROBIAL PATHOGENESIS （ 影响因子：3.5； 五年影响因子：3.6 ）
ISSN： 0882-4010
年卷期： 2024 年 197 卷
页码：
收录情况： SCI
摘要： The gut microbiota has been demonstrated to play an important role in host immunity, metabolism, digestion, and growth. However, studies regarding the gut microbiota in Tibetan chickens remains scarce in comparison with other poultry breeds. Here, we investigated the gut microbial characteristics of Tibetan chickens and Arbor Acres broiler chickens (AA broiler chickens) and compare their gut microbial differences. For this purpose, we collected cecal samples from 10 Tibetan chickens and 10 AA broiler chickens for amplicon sequencing. Results indicated that Tibetan chickens exhibited higher gut microbial diversity and abundance compared with AA broiler chickens. Moreover, PCoA-based scatter plot analysis showed that the gut microbial structure of the both breeds was significantly different. Although the dominant bacterial phyla (Firmicutes, Firmicutes and Bacteroidota) of Tibetan chickens and AA broiler chickens were the same, the abundance of some bacterial phyla and genera changed significantly. Microbial taxonomic analysis indicated that the relative abundance of 876 genera of 20 phylum in Tibetan chickens increased significantly, while the relative abundance of 160 genera of 3 phyla decreased significantly compared with AA broiler chickens. In summary, these results indicated that there are significant differences in the gut microbiota between Tibetan chickens and AA broiler chickens. This is an important exploration of the gut microbial characteristics and distribution of Tibetan chickens. The findings may contribute to promoting the development of the Tibetan chicken's industry and reveal the adaptability of Tibetan chickens to the environment.
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