本研究旨在观察不同驱虫药物对奶山羊消化道线虫的驱虫效果,为今后寄生虫病的防治筛选更好的驱虫药物。选取奶山羊96 只,分3 组,每组32 只,分别投喂伊维菌素注射液、芬苯达唑粉和伊维菌素芬苯达唑预混剂3 种驱虫药物,采用饱和盐水漂浮法和麦克马斯特法检测驱虫前后线虫的感染情况。结果发现：伊维菌素注射液组虫卵转阴率为6.25%;芬苯达唑粉剂组虫卵转阴率为31.25%;伊维菌素芬苯达唑预混剂组虫卵转阴率为50.00%。驱虫前后感染强度伊维菌素注射液组差异显著（P<0.05）,芬苯达唑粉剂组差异极显著（P<0.01）,伊维菌素芬苯达唑预混剂组差异极显著（P<0.01）。因此,建议采用伊维菌素芬苯达唑预混剂作为奶山羊消化道线虫首选驱虫药物。
The purpose of this study was to observe the effect of different anthelmintic drugs on gastrointestinal nematodes in dairy goats,and to screen better anthelmintic drugs for the prevention and control of parasitic diseases in the future. 96 dairy goats were selected and divided into 3 groups with 32 goats in each group. Ivermectin Injection,fenbendazole powder and ivermectin fenbendazole premix were fed respectively. The infection of nematodes before and after anthelmintic treatment was detected by saturated saline floating method and McMaster method. The results showed that the negative conversion rate of insect eggs in Ivermectin Injection group was 6.25%,the egg negative rate of ivermectin fenbendazole premix group was 31.25%,the negative conversion rate of insect eggs in fenbendazole powder group was 50.00%. There was significant difference in infection intensity between Ivermectin Injection group（P<0.05）, fenbendazole powder group （P<0.01） and ivermectin fenbendazole premix group （P<0.01）. Therefore,it is suggested that ivermectin fenbendazole premix should be used as the preferred anthelmintic drug for gastrointestinal nematodes in dairy goats.
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