关键词: 长尾黄鼠, 毒饵, 药物筛选, 毒力测定, 敌鼠钠, 溴敌隆

Abstract: 4 rodenticides were selected in field test, which are Diphacione, Gophacide, Gliltor and 1081, and the results of the toxic city determination of Diphacinone were obtained. Gophacide soybean baits had a good in choice feeding tests, and Diphacinone gave the best results in Nonchoice feeding tests. The LD₅₀ of Diphacinone for the aeute(singlc dose) oral is 0.8282±). 2099mg/kg. The effeciency in the field test for soybean baits of bromadiolone (0.005%, 0.01%, 0.02%) and diphacinone (0.1%, 0.2%) to the animal were used in spring and summer. The results of 0.02% and 0.1% in spring, 0.005%, 0.01% and 0.2% in summer are 91.5%, 89.5%, 24.5%, 73.9% and 47.5% respectively There is a controversial issue for baits, whether it can be use for baits to eradicating the rodent are discussed. The viewpoint of the writer for problem are presented by the tests.