绘制巴西奶牛场的抗生素使用和小牛养殖实践的地图
C C Martin1, M S Moroz2, L M Padilha1
1Department of Internal Medicine, School of Veterinary Medicine and Animal Science, University of São Paulo - São Paulo, São Paulo, Brazil 05508-270.
Journal of dairy science
|February 16, 2026
概括
在巴西,在奶牛中使用抗菌剂的差异很大,受农场规模和管理的影响. 减少极其重要的抗菌素使用,特别是在大型农场,对于公共卫生至关重要.
科学领域:
- 兽医医学 兽医医学 兽医医学
- 动物科学动物科学
- 公共卫生 公共卫生
背景情况:
- 由于疾病和管理实践,在断奶前的乳牛中使用抗菌剂的比例很高.
- 这种使用有助于抗菌素耐药性 (AMR),造成公众和环境健康风险.
研究的目的:
- 描述巴西乳牛群中的抗菌素使用模式和管理实践.
- 根据这些实践,确定不同的生产系统类型.
主要方法:
- 一个在线问卷被分发给了巴西725个奶牛农场.
- 进行了统计分析,包括多重通信分析和集群分析.
- 农场被分为四个集群,代表各种生产系统.
主要成果:
- 确定了四个不同的集群,从密集型到低输入系统.
- 大型,结构良好的农场 (集群3) 显示出更明智的使用,但仍然使用非常重要的抗菌素.
- 中间农场 (集群1和2) 的管理方式多样化,在集群2中常见的是无监督的使用.
- 小农场 (集群4) 使用较旧的抗微生物药物,废牛奶养在大多数系统中普遍存在.
结论:
- 在巴西乳制品系统中,在抗微生物药物的使用和管理方面存在显著的异质性.
- 兽医监督和管理质量强烈影响抗菌药物决策.
- 较大的农场应优先避免世界卫生组织分类的医学重要抗菌素.
- 研究结果为针对性抗微生物药物管理和教育策略提供了基准.
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