期刊
BMC MICROBIOLOGY
卷 21, 期 1, 页码 -出版社
BMC
DOI: 10.1186/s12866-021-02242-x
关键词
Microbial diversity; Fungus; ITS; Diarrhea; Tibetan pig
类别
资金
- Tibet Autonomous Region Department and College Joint Foundation-Key Project [XZ2019ZRG-55(Z)]
- Tibet Autonomous Region Science and Technology Plan Project-Key Research and Development Program [XZ202001ZY0039N]
- Central Government Supports Local Colleges and Universities to Develop Special Funds Projects [ZZXT2019-02]
This study analyzed the fungal diversity in early weaning Tibetan piglets with different health conditions through high-throughput sequencing. The results suggest that a decreased relative abundance of beneficial fungi may cause diarrhea in these piglets.
Background Diarrhea is an important ailment limiting the production of the Tibetan pig industry. Dynamic balance of the intestinal microbiota is important for the physiology of the animal. The objective of this work was to study fungal diversity in the feces of early weaning Tibetan piglets in different health conditions. Results In the present study, we performed high-throughput sequencing to characterize the fungal microbial diversity in healthy, diarrheal and treated Tibetan piglets at the Tibet Autonomous Region of the People's Republic of China. The four alpha diversity indices (Chao1, ACE, Shannon and Simpson) revealed no significant differences in the richness across the different groups (P > 0.05). In all samples, the predominant fungal phyla were Ascomycota, Basidiomycota and Rozellomycota. Moreover, the healthy piglets showed a higher abundance of Ascomycota than the treated ones with a decreased level of Basidiomycota. One phylum (Rozellomycota) showed higher abundance in the diarrheal piglets than in the treated. At genus level, compared with that to the healthy group, the proportion of Derxomyces and Lecanicillium decreased, whereas that of Cortinarius and Kazachstania increased in the diarrheal group. The relative abundances of Derxomyces, Phyllozyma and Hydnum were higher in treated piglets than in the diarrheal ones. Conclusions A decreased relative abundance of beneficial fungi (e.g. Derxomyces and Lecanicillium) may cause diarrhea in the early-weaned Tibetan piglets. Addition of probiotics into the feed may prevent diarrhea at this stage. This study presented the fungal diversity in healthy, diarrheal and treated early-weaned Tibetan piglets.
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