They often come in pellets, blocks, granules, or liquids. Rat poison may be any color but is commonly teal, blue, green, or pink. Unfortunately, the color and shape of a particular rat poison ...

As of 2011, rat poison bait must be sold in the form of blocks rather than pellets or loose bait. It must also be packaged in a tamper-proof bait station. Call your city or county hazardous waste ...

Warfarin is the active ingredient in rat poison. Random mutations in the genomes of rats mean that some rats in a population have a natural resistance to warfarin. This causes variation in the rat ...