来自西班牙特有地区的绵羊中甲虫物种的流行率,风险因素和分子鉴定
David García-Dios1, Pablo Díaz2, Susana Remesar1,3
1Faculty of Veterinary Sciences, Universidade de Santiago de Compostela, Investigación en Sanidad Animal: Galicia (Grupo INVESAGA), Lugo, Spain.
Irish veterinary journal
|November 27, 2024
概括
西北西班牙的羊群中帕兰菲斯托米德感染病例正在增加,Calicophoron daubneyi被确定为病原体. 成年绵羊是关键的载体,强调了需要针对农场采取有针对性的控制措施.
科学领域:
- 兽医寄生虫学 兽医寄生虫学
- 分子流行病学分子流行病学
- 畜牧业的健康 畜牧业的健康
背景情况:
- 甲虫类动物,类三角动物,在全球范围内造成重大经济损失.
- 欧洲甲虫的存在正在增加,在西班牙发现了牛的感染.
- 在西北西班牙,关于羊感染和物种识别的数据以前是有限的.
研究的目的:
- 为了确定西北西班牙绵羊中甲虫感染的流行率.
- 为了分子识别影响该地区绵羊的类型.
- 为了确定与羊群中甲状腺虫感染和卵流失相关的危险因素.
主要方法:
- 来自25个农场的826个绵羊便样本的共镜分析.
- 检查了85只鹿的头,检查了成年类甲状腺虫.
- 检测到的类甲虫物种的分子鉴定.
- 多变量分析用于评估风险因素.
主要成果:
- 14%的绵羊和44%的羊群被感染;平均卵数为20.5个EPG.
- 卡利科福伦·达布尼伊 (Calicophoron daubneyi) 在分子上得到了鉴定,与欧洲菌株百分之百相似.
- 老羊,位于中部气候地区的农场,缺少水槽和自己使用便是感染的风险因素.
- 较高的卵分泌率与37-72个月的绵羊,半广泛的管理和Fasciola hepatica共感染有关.
- 在经过检查的鹿中没有发现成年类甲虫.
结论:
- 西北西班牙的羊群中帕兰菲斯托米德感染病例正在增加,已证实有C. daubneyi.
- 成年羊是重要的水库,有助于环境污染.
- 控制策略,包括改善牧场管理和灌点,对于限制传播至关重要.
- 与绵羊和牛相比,鹿似乎是不太适合的宿主.
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