关键词: 褐家鼠, 抗凝血灭鼠剂, 拒食性

Abstract: This paper describes how Rattus norvegicus become reluctant to eat Anticoagulant rodenticides bait in areas where the baits has been put for some period of time.The Rottus norvegicus taken from areas where Anticoagulant rodenticides bait has been put for three months are obviously reluctant to eat the bait than those taken from areas where no such baits has been put within five years. The ratio between the two group is U=14.57; p<0.01. Thus the author draws the conclusion: Rattus norveoicus develope aa apparent reluctance of Anticoagulant rodenticides after three months the baits baits has been put.Also in this paper the author gives an explgination of this phenomenon and some countermeasures suggested to take.