评估1个月产后子宫微生物组和炎症状况的差异,与甲状腺炎和抗生素治疗相关
Joao G N Moraes1, Tamara Gull2, Aaron C Ericsson2
1Department of Animal and Food Sciences, Oklahoma State University, Stillwater, OK 74078.
Journal of dairy science
|September 20, 2025
概括
对于患有甲状炎的奶牛,Ceftiofur的治疗使子宫微生物群在一定程度上恢复到健康状态. 然而,早期的抗生素干预并没有完全解决炎症或改善这些动物的怀孕率.
科学领域:
- 兽医医学 兽医医学 兽医医学
- 微生物学 微生物学
- 生殖健康 生殖健康
背景情况:
- 产后奶牛的甲状腺炎往往会导致用ceftiofur进行临床治疗,但怀孕结果不一致.
- 产后早期抗生素治疗对子宫微生物群和甲状腺炎牛的炎症的影响仍然不完全理解.
研究的目的:
- 测试该假设,ceftiofur治疗对子宫微生物群或子宫内膜炎症没有影响在健康或有子母牛的产后1个月.
- 评估早期抗生素治疗对产后奶牛子宫微生物群和炎症状况的影响.
主要方法:
- 一个2x2的因数设计,比较健康的奶牛和的奶牛,有和没有化治疗.
- 在产后1个月收集的子宫样本被分析为细菌培养,16SrRNA基因测序,性物质的视觉评估和组织学炎症评分.
主要成果:
- 与健康的奶牛相比,在分娩后1个月内,大奶牛的可培育子宫细菌的丰富性和多样性更大.
- 塞夫蒂奥弗治疗减少了可培养的细菌和测序读数,在以前的metritic奶牛,但不是在健康的奶牛.
- 虽然抗生素治疗对子宫微生物群产生了适度的同质化作用,并减少了Fusobacterium的丰富性,但它没有显著影响整体多样性或组织学炎症.
结论:
- 产后早期的ceftiofur治疗可测量地影响子宫微生物群的组成,并降低子宫炎的奶牛的细菌负载.
- 治疗并没有完全恢复子宫微生物群的健康状态,也没有在产后1个月消除子宫内膜炎症.
- 性物质的视觉证据显著影响了子宫微生物群和炎症,独立于抗生素治疗.
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