![]() Many GUPs have the same active ingredients used in RUPs. Rodenticides are classified as General Use Pesticides (GUP) and Restricted Use Pesticides (RUP). Non-anticoagulant rodenticides kill rodents by interfering with the nervous system (bromethalin), calcium levels in the blood (cholecalciferol), or by generating a toxic gas internally after ingestion (zinc phosphide). This delay in lethality prevents bait-shyness. However, rodents feeding on second-generation rodenticides only succumb a day or two sooner. Second-generation toxicants can kill rodents after a single feeding. First-generation rodenticides require rodents to feed multiple times to receive a lethal dose. Rodenticides categorized by mode of action.Īnticoagulants disrupt the ability of blood to clot. Awareness of how rodenticides work is helpful in using them properly to obtain desired control. Rodenticides are categorized according to their mode of action ( Table I). Using bait stations in rodent control increases both the effectiveness and safety of rodenticide use. Toxic baits often are used to reduce damage caused by Norway rats ( Rattus norvegicus) and house mice ( Mus musculus). ![]() ![]() Hygnstrom, Wildlife Damage Extension Specialist Vantassel, Wildlife Damage Project Coordinator This NebGuide describes the design and use, correct placement, and selection of baits. G1646 Bait Stations for Controlling Rats and Miceīait stations are effective for controlling rats and mice. ![]()
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