乳牛中的有氧子宫病原体:产后子宫内膜炎的监测和抗菌素耐药性概况
Ionica Iancu1, Sebastian Alexandru Popa2, Janos Degi1
1Department of Infectious Diseases and Preventive Medicine, Faculty of Veterinary Medicine, University of Life Science "King Mihai I", 300645 Timisoara, Romania.
Antibiotics (Basel, Switzerland)
|July 29, 2025
概括
乳牛产后子宫感染很常见,大肠杆菌是主要的病原体. 了解抗菌素耐药性对于有效的治疗和群体健康管理至关重要.
科学领域:
- 兽医微生物学 兽医微生物学
- 动物繁殖 动物繁殖
- 细菌病原体的产生
背景情况:
- 牛子宫感染在乳制品生产中带来了重大经济挑战.
- 产后子宫内膜炎会对生育能力和整体群体生产力产生负面影响.
研究的目的:
- 为了识别导致罗马尼亚奶牛临床子宫内膜炎的有氧细菌病原体.
- 确定这些已识别的病原体的抗微生物耐药性模式.
主要方法:
- 从348头临床受影响的奶牛中采集了子宫拭子样本.
- 通过常规培养和MALDI-TOFMS进行细菌隔离和鉴定.
- 使用VITEK® 2系统进行抗微生物敏感性测试.
主要成果:
- 检测到387个细菌分离物;超过50%的样本显示混合污染.
- 大肠杆菌 (44.9%) 是主要的病原体,其次是葡萄球菌. (17.3%) 和Klebsiella spp. 在其中. (14.5%).这是一个很大的问题.
- 格拉姆阴性细菌对四环素和皮素具有很高的耐药性,而格拉姆阳性细菌对青素和宏类药物有不同的耐药性.
结论:
- 在罗马尼亚奶牛群中确定的关键有氧病原体的流行率及其耐药性概况.
- 这些发现强调了需要精确的诊断和明智的抗菌药物应用的必要性.
- 改善子宫健康管理对于提高乳牛治疗结果至关重要.
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