牛的微小隐孢子虫感染：当前的认知准确吗？
Cryptosporidium parvum infection in cattle: are current perceptions accurate?
作者信息
O'Handley Ryan M
机构信息
Environmental Biotechnology Cooperative Research Centre, School of Veterinary and Biomedical Sciences, Murdoch University, Perth, Australia.
出版信息
Trends Parasitol. 2007 Oct;23(10):477-80. doi: 10.1016/j.pt.2007.08.005. Epub 2007 Sep 7.
Abstract
The perception that cattle are major reservoirs for Cryptosporidium parvum infections in humans and that C. parvum is a major cause of diarrhea and production loss in cattle might not reflect the whole situation. Numerous management factors influence the epidemiological and clinical picture associated with C. parvum infections in cattle. Whereas C. parvum is highly prevalent in young dairy calves and confined beef calves, it occurs rarely in calves on range and in adult cattle. In well-managed herds, clinical disease due to C. parvum is also rare. Therefore, C. parvum infections in cattle might not be as important as current perceptions would indicate.
摘要
认为牛是人类感染微小隐孢子虫的主要宿主，且微小隐孢子虫是牛腹泻和生产损失的主要原因，这种看法可能并未反映全部情况。众多管理因素会影响与牛微小隐孢子虫感染相关的流行病学和临床表现。虽然微小隐孢子虫在幼年奶牛犊和圈养肉牛犊中高度流行，但在放牧的犊牛和成年牛中很少发生。在管理良好的牛群中，由微小隐孢子虫引起的临床疾病也很少见。因此，牛的微小隐孢子虫感染可能并不像目前所认为的那么重要。
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