关键词: 黄毛鼠, 回升动态, 繁殖指数, 毒谷指数

Abstract: This paper reports the recovery of Rattus rattoides population from March to August and from September to December after control in Dongguan city. From February to November, the average reproductive index of Rattus rattoides was 124.3%. The rate of recovery of population after use of rodenticides was very fast and it was closely related to the efficacy of chemical control, there were obvious relation between index of toxic bait and the efficacy of control. In order to control rodents, the index of toxic bait must be over 0.5 in spring and over 0.6 in August.