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Effects of microbes in pig farms on occupational exposed persons and the environment

文献类型： 外文期刊

作者： Han, Jinyi 1 ; Li, Mengyu 1 ; Li, Xin 1 ; Liu, Chuang 1 ; Li, Xiu-Ling 1 ; Wang, Kejun 1 ; Qiao, Ruimin 1 ; Yang, Feng 1 ; Han, Xuelei 1 ; Li, Xin-Jian 1 ;

作者机构： 1.Henan Agr Univ, Coll Anim Sci & Technol, Zhengzhou 450002, Peoples R China

2.Sanya Inst, Hainan Acad Agr Sci, Sanya, Peoples R China

关键词： Pig farming; 16S rRNA; Occupational exposure; Dust microbes; Microbial aerosols

期刊名称：AMB EXPRESS （ 影响因子：3.7； 五年影响因子：4.0 ）

ISSN： 2191-0855

年卷期： 2023 年 13 卷 1 期

页码：

收录情况： SCI

摘要： In terms of pig farming, pig gut microbes have a significant effect on farmers and the farm environment. However, it is still unclear which microbial composition is more likely to contribute to this effect. This study collected a total of 136 samples, including pigs' faeces samples, farmers' faeces samples, samples from individuals who had no contact with any type of farm animal (referred to as 'non-exposed' persons), and environmental dust samples (collected from inside and outside pig houses and the farm) from two pig farms, pig farm A and pig farm B. Whereafter, 16S rRNA sequencing and taxonomic composition analysis were performed. According to the study, compared to non-exposed persons, pig farmers had a significantly higher abundance of 7 genera. In addition, the farmers were grouped according to the duration of their occupational exposure, and it was shown that 4 genera, including Turicibacter, Terrisporobacter, and Clostridium_sensu_stricto_1, exhibited a rise in more frequent contact with pigs. As compared to outside the pig house, the environmental dust has a greater concentration of the 3 bacteria mentioned before. Therefore, these 3 microbes can be considered as co-occurring microbes that may exist both in humans and the environment. Also, the 3 co-occurring microbes are involved in the fermentation and production of short-chain fatty acids and their effectiveness decreased as distance from the farm increased. This study shows that the 3 microbes where pig farmers co-occur with the environment come from pig farms, which provides fresh ideas for preventing the spread of microbial aerosols in pig farms and reducing pollution.

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