陕西省某羊场简阳大耳山羊球虫感染情况调查及种类鉴定

为了解陕西省某简阳大耳山羊场球虫种类和感染情况,采集不同年龄段简阳大耳山羊新鲜粪便55份,用形态学方法并结合麦克马斯特虫卵计数法(McMaster's method)对该场简阳大耳山羊球虫进行种类鉴定和感染情况调查。结果表明,大耳山羊球虫总感染率为92.7%,其中3月龄~7月龄、10月龄~12月龄、3岁山羊球虫检出率分别为100%、90%和86.7%,各年龄段平均OPG值为3 300、1 050、854。共鉴定出8种山羊球虫,其中阿氏艾美耳球虫(Eimeria arloingi)、雅氏艾美耳球虫(E.ninakohlyakimovae)和艾氏艾美耳球虫(E.alijevi)为该羊场优势虫种。

Investigation on Coccidian Infections and Identification on Species of Jianyang Daer Goats in a Goat Farm of Shaanxi Province

In order to investigate species and prevalence of Eimeria infections in a Jianyang daer goat farm of Shaanxi province,55 fresh fecal samples were collected from different ages of Jianyang daer goats and ex-amined by McMaster′s and morphology method for infection status and oocyst species.The results showed that the average infection rate of coccidia in goats was 92.7%,the prevalences of coccidian oocysts in 3-7 month goats,10-12month goats and 3years old goats were 100%,90% and 86.7%,respectively.The aver-age numbers of oocysts per gramme feces (OPG)were 3 300,1 050 and 854 in the three age groups,re-spectively.Eight species were identified from oocyst-positive samples,the predominant species were E.ar-loingi,E.ninakohlyakimovae and E .alij evi in this goat farm.