广东徐闻县黄胸鼠和褐家鼠对杀鼠灵的抗药性观察

Warfarin Resistance of Rattus flavipectus and Rattus norvegicus in Xuwen County of Guangdong

目的 了解广东省徐闻县黄胸鼠和褐家鼠对杀鼠灵的抗药性。方法 采用实验室无选择性摄食试验。结果 黄胸鼠抗性率为 5 %,褐家鼠未发现抗性鼠。经t检验 ,2种鼠的致死剂量不存在性别差异 (t黄 =0 .677,t褐 =1.48,P >0 .0 5 )。结论 第一代抗凝血灭鼠剂还可以继续使用 ,但应加强抗药性监测 。

ObjectiveTo monitoring the resistance of Rattus flavipectus and Rattus norvegicus to Warfarin in Xuwen County, Gruangdong. MethodIngestion test without selectivity was carried out. ResultResistance rate of Rattus flavipectus to Warfarin in Xuwen was 5%, but resistance individual of Rattus norvegicus wasn't found. There was no significant difference between Lethal dose of active ingredient and sex of Rattus flavipectus and Rattus norvegicus by t test (t 1=0.677, t 2=1.48, P>0.05). ConclusionThe first generation anticoagulant rodenticide may be taken continually, and the development of population with resistance should be surveyd.