Korean J Vet Res.
2021 Mar;61(1):e2. 10.14405/kjvr.2021.61.e2.
Dynamics of bacterial communities in vaginas and feces between pre and postpartum of dairy cows
- Affiliations
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- 1Dairy Science Division, National Institute of Animal Science, Rural Development Administration, Cheonan 31000, Korea
- 2Rural Development Administration, Jeonju 54875, Korea
- 3Department of Animal Science, College of Natural Resources and Life Science, Pusan National University, Miryang 50463, Korea
- 4Division of Applied Life Science (BK21Plus) & Institute of Agriculture and Life Science, Gyeongsang National University, Jinju 52828, Korea
- KMID: 2514725
- DOI: http://doi.org/10.14405/kjvr.2021.61.e2
Abstract
- The reproductive tracts have an intimate relationship with reproduction because there are bacterial communities that can affect reproductive health. The differences in the bacterial community of periparturient dairy cows were investigated. Vaginal and fecal samples were collected seven days before and after calving, and DNA was extracted to sequence the V3-V4 regions of the 16S rRNA genes. In the postpartum vaginas, operational taxonomic units, Chao1, Shannon, and Simpson were decreased, and phyla Fusobacteria and Bacteroidetes were increased. In summary, bacterial abundance can affect the periparturient biological differences in dairy cows, suggesting a susceptibility to infection within one week after calving.
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