Rodenticide

Rodenticide is a type of pesticide specifically designed to kill rodents. These substances are commonly used in both residential and commercial settings to control populations of rodents such as rats, mice, and squirrels that can cause damage to property or spread disease.

Types of Rodenticides

There are several types of rodenticides, each with its own method of action and level of toxicity.

• Anticoagulant rodenticides are the most common type. These substances work by disrupting the blood's ability to clot, causing the rodent to bleed to death internally. Examples include Warfarin, Brodifacoum, and Difenacoum.

• Non-anticoagulant rodenticides work in different ways. Some, like Bromethalin, cause swelling in the brain and liver, while others, like Cholecalciferol, cause a deadly buildup of calcium in the body.

• Metal phosphides are another type of rodenticide. When ingested, these substances react with the stomach acid to produce toxic phosphine gas.

Risks and Controversies

While rodenticides are effective at controlling rodent populations, they also pose significant risks. Non-target animals, including pets and wildlife, can be poisoned if they ingest the rodenticide directly or consume a poisoned rodent. Human exposure is also a concern, particularly for children who may accidentally ingest the bait.

The use of rodenticides has been controversial due to these risks. In some jurisdictions, certain types of rodenticides have been banned or restricted. Alternatives to rodenticides, such as Integrated Pest Management strategies, are often recommended.

See Also

• Pesticide
• Integrated Pest Management
• Rat
• Mouse
• Squirrel