Control of Rodents A particulate mixture for use in the control of rodents which comprises a mixture of a plurality of bait particles and a plurality of non-bait particles, wherein each bait particle comprises matter edible by a rodent and a rodenticide and wherein each non-bait particle comprises matter edible by a rodent and has a flavour different from the flavour of a bait particle and wherein the non-bait particles are distinguished from the bait particles by at least one physical characteristic selected from size, shape, surface texture and internal texture. A non-bait particulate food for rodents as use in the control of rodents, when presented in admixture with bait particles to rodents, to encourage consumption of the bait particles. Such non-bait particulate food comprises dry extruded pellets of cereal meal and dried powdered crustacean.