A.Washing the dog or cat with insecticides (for example shampoos containing pyrethrin I and II and piperonyl bubutoxid) kills the adult fleas that happen to be on the dog or cat while it is being washed. There is no residual effect that protects against the fleas that jump on to the pet after the treatment. […]
Control
An English zoologist has estimated that a typical cat flea population includes about 5000 fleas at various stages of development: 25 adult fleas are on the dog or cat. In the surroundings – mainly in carpets and in the animal’s sleeping place – there are 500 adult fleas, 500 cocoons, 3000 larvae and 1000 eggs. […]