牛群中Cryptosporidium感染的全球流行:一个元分析
Rachel Buchanan1, Przemyslaw Wieckowski1, Eleni Matechou2
1School of Natural Sciences, University of Kent, Canterbury, UK.
概括
牛中的Cryptosporidium造成重大经济损失,并作为一种动物传播疾病,构成公共卫生风险. 在小牛和未断奶牛中,全球患病率在27.0%至37.5%之间.
科学领域:
- 兽医寄生虫学 兽医寄生虫学
- 动物传播疾病流行病学
- 一个健康,一个健康.
背景情况:
- 克里普托斯波里迪亚 spp. 它们是导致密码菌病的杂寄生虫,这是一种严重的腹疾病,在各种宿主中发生,包括人类和牲畜.
- 在牛群中,密码化症是新生儿病的主要原因,导致畜牧业的经济损失很大.
- 牛作为Cryptosporidium parvum的动物感染库,构成公共卫生风险.
研究的目的:
- 为了估计牛群中Cryptosporidium感染的全球流行率.
- 确定牛中最常见的Cryptosporidium物种和基因型.
- 评估密码菌病,腹和牛中的C. parvum之间的关联.
主要方法:
- 通过PubMed和Google Scholar的248篇出版物进行了元分析.
- 收集了有关动物年龄,Cryptosporidium物种/基因型和腹状态的数据.
- 全球患病率估计基于来自六大洲和63个国家的数据.
主要成果:
- 在小牛和未断奶牛中,Cryptosporidium感染的全球流行率在27.0%至37.5%之间.
- 最常被发现的物种是Cryptosporidium parvum,特别是IIa亚家族.
- 38.1%的阳性预断奶牛样本中存在腹,在超过50%腹病例的地区中,C. parvum占主导地位.
结论:
- 继续对Cryptosporidium spp.进行监测. 由于公共卫生和经济原因,在牛群中是非常重要的.
- 应该把重点放在报告不足的地区,以改善全球流行率估计.
- 制定控制措施至关重要,以减少牛中Cryptosporidium的流行率,并限制动物传播.
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