Veterinarians reveal the dog snacks, chews and ingredients you need to avoid for the safety of your furry friend. I spend more on food and treats for my pugalier Rocky than I do on my children, and I used to think that meant I was doing everything right. Premium chews, “all-natural” jerky, grain-free biscuits and fortified dental chews. Lots of special treats for my special boy. Americans spend almost $70 billion on pet food a year , and I’ve been doing my part. But veterinarians say some of