By Sophia Yin, DVM, MS May 15, 2009   (Modified from an article first published in Veterinary Forum June 2008) With so many canine and feline flea and tick products on the market, you practically need a course to help you decide which one to use. According to Ronald Baynes, DVM, PhD, associate professor pharmacology at North Carolina State University College of Veterinary Medicine, knowing the mechanism... [Read more]