积极参与区域监测可报告的猪病原体
Giovani Trevisan1, Paul Morris2, Gustavo S Silva1
1Department of Veterinary Diagnostic and Production Animal Medicine, College of Veterinary Medicine, Iowa State University, Patterson Hall, 1800 Christensen Drive, Ames, IA 50011-1134, USA.
Animals : an open access journal from MDPI
|January 23, 2024
概括
对猪病原体的积极参与式监测有效地检测出低患病率的疾病. 这种以农场为基础的测试模型显示了高的检测概率,具有重要的生产者参与和可持续的成本.
科学领域:
- 兽医流行病学 兽医流行病学
- 疾病监测系统 疾病监测系统
- 动物健康经济学 动物健康经济学
背景情况:
- 需要通报的猪病原体对畜牧业群体构成重大经济和健康风险.
- 有效的区域监测对于早期发现和控制疾病爆发至关重要.
- 传统的监控方法在实现全面覆盖和及时检测方面可能面临挑战.
研究的目的:
- 评估主动参与式监测设计对可通报的猪病原体的性能.
- 根据不同参与水平和检测概率,估计检测至少一个阳性农场的概率.
- 评估拟议的参与式监控模型的成本效益.
主要方法:
- 模拟引入和传播病原体在一个大型区域猪群 (17,521个农场).
- 模拟检测概率作为农场参与的函数 (20-100%),农场级检测概率 (10-50%) 和区域流行率.
- 样本采集,组合和测试 (血清或拭子,核酸或抗体检测) 的成本分析.
主要成果:
- 在0.1%的流行率和30%的农场级检测概率下,60%的生产者参与率产生了97%的检测阳性农场的概率.
- 参与式设计表明,即使在疾病流行率较低的情况下,检测概率也很高.
- 采样成本在每头猪0.017美元至0.034美元之间,表明可持续的经济模式.
结论:
- 积极的区域参与式监测是一种可行的策略,用于检测低患病率的可报告猪病原体.
- 该模型的成功取决于生产者参与和有效的农场级诊断能力.
- 拟议的监测方法为保护区域猪健康提供了具有成本效益的解决方案.
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