if you do not regularly treat your animals for fleas, they can p/up them any place!there is a product that you spread on your yd to keep it flea-free. the cute squirrel in your yd, the cats & other critters passing thru your property @night-all possible carriers.do you walk your animal?-hello-fleas are everywhere,some years there's just not enough hosts! don't be so quick toblame the groomer!