I used a flea collar on my dog and it gave him what looked ... Protect your pet! Avoid HARTZ brand! The attached picture is the only one he would let me take. He won't let me mess with the sores ...
Effective flea preventatives include topical and oral medications, as well as flea collars like Hartz UltraGuard Flea & Tick Collar for Cats and ProElobara Flea & Tick Collar for Dogs. Consult ...