四种药物驱治对高寒牧区细毛羊胃肠道寄生虫效果分析

目的]旨在依据高寒牧区羊寄生虫病的流行规律和感染特点。方法]采用多拉菌素、伊维菌素、阿维菌素片、丙硫咪唑片4种药物,通过用药前后直肠采样检验、线虫EPG检查、用药后粪便虫卵转阴率和EPG及平均EPG值检查,筛选出驱治甘肃高山细毛羊胃肠道线虫的最佳药物。结果]表明:多拉菌素驱虫前后粪便虫卵各项指标优于其他3种药物,多拉菌素驱治效果可靠、药效维持时间长,21d后虫卵转阴率仍然高达97.5%,而其它各组呈下降趋势。结论]多拉菌素驱治高寒牧区甘肃高山细毛羊胃肠道寄生虫效果最好。

Effectiveness Analysis on Gastrointestinal Tract Parasites of Gansu Alpine Fine-Wool Sheep which were Treated by four Drugs