文献类型: 外文期刊
第一作者: Ma, ML
作者: Ma, ML;Guan, GQ;Lu, BY;Liu, AH;Liu, ZJ;Chang, ZR;Li, FX;Chang, F;Luo, JX;Lu, WS;Zhang, QC;Yuan, GL;Yin, H;Boulard, C
作者机构:
关键词: Hypoderma spp.;yak;control;ivermectin
期刊名称:VETERINARY PARASITOLOGY ( 影响因子:2.738; 五年影响因子:2.951 )
ISSN: 0304-4017
年卷期: 2003 年 117 卷 1-2 期
页码:
收录情况: SCI
摘要: A chemotherapy trial was conducted to determine the lowest dosage of injectable preparation of ivermectin against Hypoderma spp. infestation in yaks in Tibetan areas in Tianzhu county, Gansu province, in northwest of China. One hundred and sixty yaks were randomly divided into four groups of 40 yaks for the trial. The first three groups were treated by subcutaneous injection in the neck with 0.1% ivermectin (respectively, 1, 5, 10 mug/kg body weight). The fourth group was not treated and considered as control group. All the experiments were performed in November 2000 and the animals were examined for the presence of warbles in the next March and May. The results indicated that there was no warbles found on the back of treated animal while third stage larvae were palpated on back of some of the yaks in control group. It is concluded that dosage of 1 mug/kg ivermectin injectable was sufficient to kill or stop development of larvae of Hypoderma spp. in naturally infected yaks if administrated in November. (C) 2003 Elsevier B.V. All rights reserved.
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