在加拿大黑雁（Branta canadensis）粪便中发现的贾第虫属包囊和感染性微小隐孢子虫卵囊。
Giardia sp. cysts and infectious Cryptosporidium parvum oocysts in the feces of migratory Canada geese (Branta canadensis).
作者信息
Graczyk T K, Fayer R, Trout J M, Lewis E J, Farley C A, Sulaiman I, Lal A A
机构信息
Department of Molecular Microbiology and Immunology, School of Hygiene and Public Health, Johns Hopkins University, Baltimore, Maryland 21205, USA.
出版信息
Appl Environ Microbiol. 1998 Jul;64(7):2736-8. doi: 10.1128/AEM.64.7.2736-2738.1998.
Abstract
Fecal droppings of migratory Canada geese, Branta canadensis, collected from nine sites near the Chesapeake Bay (Maryland), were examined for the presence of Cryptosporidium parvum and Giardia spp. Cryptosporidium sp. oocysts were found in feces at seven of nine sites, and Giardia cysts were found at all nine sites. The oocysts from three sites were infectious for mice and molecularly identified as the zoonotic genotype of Cryptosporidium parvum. Waterfowl can disseminate infectious C. parvum oocysts in the environment.
摘要
对从切萨皮克湾（马里兰州）附近九个地点采集的加拿大黑雁（Branta canadensis）粪便进行了检查，以检测微小隐孢子虫和贾第虫属的存在。在九个地点中的七个地点的粪便中发现了隐孢子虫属卵囊，在所有九个地点都发现了贾第虫包囊。来自三个地点的卵囊对小鼠具有感染性，并通过分子鉴定为人畜共患基因型的微小隐孢子虫。水禽可在环境中传播具有感染性的微小隐孢子虫卵囊。
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