在特殊养小牛肉生产环境中抗菌耐药性的表征
Alexander Dunmyre1, Poonam Vinayamohan1, Samantha R Locke1
1Department of Veterinary Preventative Medicine, The Ohio State University, Columbus, Ohio, USA.
Zoonoses and public health
|October 15, 2024
概括
小牛的环境,特别是谷仓,是对抗多药性大肠杆菌 (Escherichia coli) 的重要储库. 在这些环境中进行干预对于打击食品和牲畜中抗菌素耐药性 (AMR) 的传播至关重要.
科学领域:
- 兽医微生物学 兽医微生物学
- 公共卫生 公共卫生
- 环境科学 环境科学
背景情况:
- 抗菌素耐药性 (AMR) 是一个关键的全球健康威胁,由耐药细菌的环境传播加剧.
- 农场环境,特别是那些养小牛等年轻牲畜的环境,是AMR细菌的热点.
- 大肠杆菌 (Escherichia coli) 作为一种有价值的指标生物体,用于跟踪各种环境中的耐药性基因,这是由于其患病率和横向基因转移的能力.
研究的目的:
- 调查抗菌素耐药性大肠杆菌在小牛犊生产环境中的患病率和特征.
- 确定生产设施内有助于AMR传播的特定地点.
主要方法:
- 从9个小牛群中分离出大肠杆菌,在谷仓,拖车和屠宰场的环境中分离出大肠杆菌.
- 对大肠杆菌分离物的抗微生物敏感性测试对15种世卫组织分类的重要抗微生物使用Kirby-Bauer盘扩散.
主要成果:
- 谷仓环境呈现出多抗药性大肠杆菌的比例最高 (51.7%).
- 显著比例的分离物对多种抗微生物药物表现出耐药性,其中一些对15种测试药物中的11种药物有耐药性.
- 拖车和屠宰场环境显示出抗药性增加,包括对第三代黄素的抗药性,分娩后.
结论:
- 小牛的住房环境在传播抗菌素耐药性细菌方面发挥着至关重要的作用.
- 在这些环境中进行有针对性的干预对于控制AMR的传播至关重要.
- 了解小牛生产设施中的耐药性模式可以为保护人类和动物健康的策略提供信息.
关键词:
埃舍里希亚大肠杆菌 (Escherichia coli) 是一个大肠杆菌.抗微生物耐药性 抗微生物耐药性牛犊,小牛,牛犊,牛犊,牛犊.我们的环境环境环境环境环境环境环境环境畜牧业 畜牧业 畜牧业 畜牧业牛肉生产 牛肉生产更多相关视频
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