Dog treats are booming — but they're not always safe. From puppy pastries to recalled jerky, it's a challenge to know what's okay and what isn't for your animal. "This is a topic that people are very confused about at times," says Valerie Parker, Ohio State University veterinarian and Diplomate of the American College of Veterinarian Nutrition. "They are passionate about their pets and I strongly urge people to take advantage of the experts in this field if they have questions." Here are Parker's recommendations for finding the right treat for Fido.