牦牛莱姆病血清流行病学的初步调查

Preliminary seroepidemiological investigation of Lyme disease in yak

1991年5～12月,在甘肃省肃南县从不同生态环境下放牧的牦牛群采血清99份,用ELISA检测莱姆病流行情况,其中采自草甸草原牦牛群血清58份,检出阳性血清38份,阳性率为65.52％;采自灌丛草原牦牛群血清41份,检出阳性32份,阳性率为78.05％。总阳性率达70.71％(70/99)。

From May to December of 1991, in Sunan county of Gansu province, 99 serum samples collected from yaks herded under different ecological environmental conditions were measured for epidemic state of Lyme disease by ELISA, of which 38 serum samples were detected as positive in 58 serum samples collected from yaks raised in marsh grassland, the positive rate being 65.52%, and 32 were examined as positive in 41 ones from yaks herded in grassveld, its positive rate being 78.05%. The total positive rate was 70.71%(70/ /99) .