Fleas may be small, but they can do a lot of harm, so investing in the right flea collar for dogs is very important. That way, you can make sure these wingless parasites don’t cause issues like flea allergy dermatitis, which causes severe, long-lasting itching, and possible skin damage. You’ll also help to keep your dog from being anaemic – after all, fleas eat blood, so it’s simple for your dog’s red blood cells to…