安徽省奶牛球虫感染及分布情况调查

为查明安徽省奶牛球虫感染与地理分布情况，对本省10个奶牛场进行奶牛球虫感染情况的调研．在540头奶牛的粪样中检到球虫卵囊，其感染率为66．34％(540／814)；经鉴定有12种艾美耳球虫．即牛艾关耳球虫(Eimeria bovis、邱氏艾美耳球虫(E．zuernii、椭圆艾关耳球虫(E．ellipsoidalis)、奥博艾关耳球虫(E．aubumensis)、亚球艾美耳球虫(E．subspherica)、加拿大艾美耳球虫(E．canadensis)、柱状艾关耳球虫（E．cylindrica)、怀俄明艾美耳球虫(E．wyomingensis)、阿拉巴艾美耳球虫(E、alabamensis)、拔克朗艾美耳球虫(E．bukidnonensis)、广西艾美耳球虫(E．Kwangsiensis)和皮利他艾美耳球虫(E．pellita)。奶牛球虫的感染率存在明显的年龄差异但地区间差异不明显。

Coccidial Infection of Cow and Its Regional Distribution in Anhui Province

A survey was done on coccidial infection of cow in ten farms in Anhui province.Coccidia oocysts were found in faecal specimens from 540 subjects out of the 814 cows inspected with the average in fective rate being 66.34%;The coccidia detected in Anhui province has been identified as 12 species of the genus Eimeria,including E.bovis,E.Zuernii,E.ellipsoidalis,E.auburnensis,E.subspherica,E.canadensis,E.cylindrica,E.wyomingensis,W.alabamensis,E.bukidnonensis,E.kwangsiensis and E.pellita.The results showed the infective rate of cow coccidia that have obvious difference among the age groups of cow.But there were not obvious difference in the regional distribution of cow.