在密苏里州 (2010-2021年) 贝叶斯空间时间评估牛等离子症血清流行率 (2010-2021年)
Ram K Raghavan1,2,3,4, Rosalie Ierardi1,4, Frank Badu Osei5
1Department of Pathobiology and Integrative Biomedical Sciences, College of Veterinary Medicine, University of Missouri, Columbia, MO, United States.
Frontiers in veterinary science
|February 9, 2026
概括
密苏里州的牛等离子体病 (Anaplasma marginale) 风险分布不均,空间和时间因素影响疾病传播. 识别这些驱动因素是有效牛健康管理的关键.
科学领域:
- 兽医流行病学 兽医流行病学
- 动物卫生 动物健康
- 传染性疾病 传染性疾病
背景情况:
- 由Anaplasma marginale引起的牛质炎是一种重要的全球传播的牛病.
- 密苏里州的疾病分布和风险因素仍然不明,阻碍了有效的控制.
研究的目的:
- 在密苏里州从2010年到2021年分析牛等离子症的时空模式.
- 确定高风险地区和疾病趋势的潜在驱动因素,以改善缓解策略.
主要方法:
- 利用贝叶斯层次模型与计量子模型用于县级阳性病例数据 (n=1,944).
- 对比了三种越来越复杂的模型,以捕捉空间,时间和时空相互作用.
- 根据偏差信息标准 (DIC) 选择了高级模型 (模型3).
主要成果:
- 密苏里州的牛等离子体感染血清流行率表现出不均的空间和时间分布.
- 模型3,结合时空相互作用,在案例数中最好解释的变化.
- 疾病风险可能受到当地和区域环境和管理因素的影响.
结论:
- 在密苏里州,牛等离子症的风险不均,需要针对性的干预措施.
- 了解时空动态和驱动因素对于开发有效的疾病控制策略至关重要.
- 对环境和管理因素的进一步研究可以为缓解努力提供信息.
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