山西黄土高原地区羊寄生虫感染情况调查(一)——羊消化道线虫与球虫感染情况调查

INVESTIGATION OF PARASITES INFECTION IN SHEEP IN SHANXI LOESS PLATEAU——NVESTIGATION OF GASTROINTESTINAL NEMATODES AND EIMERIA INFECTION IN SHEEP

应用饱和盐水漂浮法对山西省大同、朔州、忻州3个地区12个县的羊进行了消化道线虫与艾美尔属球虫卵囊感染情况调查,结果表明：寄生虫的平均检出率为65.50%,其中大同、朔州、忻州被检羊寄生虫感染率分别为81.40%、66%、43.25%,3个地区虫卵感染强度（单位为个/g粪便）范围分别为：线虫971-3 325、270-1 202、41-1 274,球虫60-3 403、102-3 230、26-3 240。从羊粪样中检出的线虫卵中有较多的捻转血矛线虫卵、毛圆线虫卵、仰口线虫卵和细颈线虫卵。

An investigation to gastrointestinal nematodes and Eimeria in sheep by flotation method with saturated salt water in 12 counties of city Datong,Shuozhou and Xinzhou in Shanxi Province.The results show that： the mean infection rate of parasites was 65.50% In the areas,and the detection rates was 81.40% 、66% 、43.25% in Datong,Xinzhou and shuozhou.In these three regions,the range of infection intensity（eggs per gram of feces）of gastrointestinal nematodes was 971 ～ 3325、270 ～ 1202、41 ～1274,while the range of infection intensity of Eimeria was 60 ～403、102 ～230、 26～240,respectively.The big number of the detected gastrointestinal nematodes were Haemonchus contortus,Trichostrongylus spp,Bunostomum epp,Nematodirus epp.