Brodifacoum is a very powerful anticoagulant poison that takes the form of an off-white odorless powder. Anticoagulant just means that the poison takes effect by taking away the blood’s ability to clot. Brodifacoum is most widely used as a rodenticide to control mice, rats and other rodents that are difficult to kill with other anticoagulant rodent baits. On occasion it is also used to kill larger mammals such as possums.
How does Brodifacoum work to kill rodents? When rats or mice ingest rodent bait containing the active ingredient brodifacoum, it immediately begins to inhibit and steadily decrease Vitamin K levels in the blood. This prevents the blood from being able to clot and will eventually lead to death. It usually only requires one feeding of bait for the poison to be effective.
Toxicity Brodifacoum is extremely lethal to rodents, birds, fish, and other small mammals. It is considered to be only of low acute toxicity to humans because of its low bait concentration and delayed effect. Brodifacoum should not be hazardous to humans, pets, or wildlife as long as it is used and applied according to the product label. Products with this type of active ingredient should always be used in a child-proof bait station if children and pets are around.