The multiplication of fleas.
D000818:Animals; D002371:Cat Diseases; D002415:Cats; D003872:Dermatitis / Q000209:etiology; D004197:Disease Reservoirs; D004283:Dog Diseases; D004285:Dogs; D006801:Humans; D007305:Insecticide Resistance; D007306:Insecticides / Q000494:pharmacology; D005423:Siphonaptera / Q000187:drug effects / Q000254:growth & development*; D014581:Urticaria / Q000209:etiology
D007306:Insecticides