由于未能在一个谷仓的反复消毒后预防古典草病
Timm Konold1, John Spiropoulos2, Peter Bellerby3
1Animal and Plant Health Agency Weybridge, Department of Pathology and Animal Sciences, Addlestone, UK. Timm.Konold@apha.gov.uk.
BMC research notes
|March 26, 2025
概括
即使是扩展的二酸盐消毒也未能防止被污染的谷仓中的绵羊再次感染黄病. 从绵羊养殖场消灭子仍然是一个重大挑战.
科学领域:
- 兽医医学 兽医医学 兽医医学
- 子疾病研究研究 子疾病研究
- 动物养殖 动物养殖
背景情况:
- 在绵羊中引起尖风的子对消毒具有很高的抵抗力,并持续多年.
- 由于子的持久性,在一场草疫情爆发后,防止农场再次感染是很困难的.
研究的目的:
- 评估使用二化对草疫子的谷仓消毒协议的有效性.
- 评估在先前受污染的环境中安置的易受感染的羊中再次感染的风险.
主要方法:
- 一个仓库住宿的羊受伤害的羊被二酸盐消毒,超过了推的暴露时间.
- 两群易患甲虫病的绵羊 (VRQ/VRQ基因型) 被安置在已被消毒的谷仓中.
- 长期通过直肠活检监测感染情况.
主要成果:
- 第一个群体中的一只羊和第二个群体中的四只羊被感染.
- 感染发生在暴露后的775天 (第一队列) 和550天 (第二队列).
- 消毒协议没有防止易受感染的羊再次感染草病.
结论:
- 用低化进行扩展的除污染不足以消除农场场所的疹感染性.
- 污染设施的消毒仍然是从绵羊群中根除暴风雨的主要障碍.
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