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, an associate professor of pharmacology at North Carolina State University College of Veterinary Medicine, knowing the mechanism of action is key to sorting things out. Organophosphates and carbamates (kills and repels fleas and ticks) Among the first class of products used on pets was the organophosphate and carbamate insecticides used in foggers, dips, and sprays. These anticholinesterase insecticides work by inhibiting acetylcholine esterase, the enzyme responsible for breaking down the neurotransmitter acetylcholine at

Question: My Havanese puppy loves to nip my heels and the backs of my legs. When I stand like a tree, he pulls my jeans or nips my legs and then stops. I praise him and give him a treat when he sits and stops pulling at my jeans or nipping my legs. However, no sooner do I move again, he repeats his behavior. He also likes to nip my hands and arms. I am trying to teach him to kiss me instead of nip me but that is not working so well either. When he kisses me, I reward

One of the most trying tasks associated with having a puppy is potty training. Some people think that potty training is as easy as just keeping the pup on a regular eating, drinking and potty-outing schedule where he is taken out every several hours. Here’s what’s really required for foolproof potty training—it’s not an easy task. This rigid routine must be carried out consistently for several months and without accidents for several weeks before it’s set.

Easter is typically a time when families come together and participate in numerous traditions. For some this means going to church. For others the focal point is the Easter egg hunt and Easter baskets. But for one little dog representing a not-so-unusual case, it involved some Cadbury chocolates and a veterinary visit. It was the day after Easter, and while his owners were out, Chico the scrappy fox terrier was planning an hour of mischief. Finally, his chance had come to examine the previous day’s delivery. One by one he plucked the morsels from their bright yellow baskets. It was

Ask any rabbit fancier and they’ll tell you what makes rabbits so great. These affectionate, high-spirited herbivores are full of mischief and games. Their amusing behavior coupled with their quiet nature and convenient size makes them wonderful house pets, for those owners who can meet their unique needs.

Question: Dr. Yin, I was wondering if you could offer some advice about dogs mounting other dogs. I have a 10 yr. old fixed Standard Poodle who gets very excited when he greets another dog and he ends up mounting the other dog. Male, female, big dog, small dog – it doesn’t matter. I would just like to know why he does this, and how can I stop it. Thanks for your time. Pennie Answer: Pennie, you’re not alone. Many neutered dogs perform this embarrassing social faux-“paw”, not because they’re being amorous or trying to dominate, but because they are