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比较了几种抗凝血灭鼠剂对家栖鼠的毒效。以常规浓度(溴敌隆0.005%,杀鼠迷、杀鼠灵和敌鼠钠0.025%)的毒饵,对靶标鼠进行单笼饲养无选择和有选择以及围栏群养有选择摄食试验,用毒杀率和摄食系数评价毒效和适口性。结果表明:⑴实验鼠单笼饲养试验:溴敌隆和杀鼠迷对大白鼠适口性好,毒杀率高,敌鼠钠适口性差;对小白鼠的毒效和适口性,溴敌隆最好,敌鼠钠最差;⑵三省四地区的褐家鼠单笼饲养无选择试验,溴敌隆、杀  相似文献
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ABSTRACT

Potent second-generation anticoagulant rodenticides such as brodifacoum have been used as more effective alternatives to first-generation anticoagulants, such as warfarin. A combination of diphacinone at 0.005% and cholecalciferol at 0.06% produces a slow-acting bait that is effective at killing possums (Trichosurus vulpecula) and rodents. Cage trials with groups of possums and ship rats (Rattus rattus) achieved a mortality of 87% and 86% for possums and ship rats, respectively. Two field trials, each 200 hectares in size, targeting possums, ship rats and mice achieved an average reduction in the abundance of 94% for possums, 94% for ship rats and 80% for mice. The combination of diphacinone and cholecalciferol appears effective and has a favourable risk profile compared with second-generation anticoagulant rodenticides, such as brodifacoum. Approval of this new bait by the New Zealand Environmental Protection Agency was granted in 2018 and final registration obtained from the Ministry of Primary Industries in 2019.  相似文献
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