Steve's Real Food PREY Model Raw Chicken Diet for Cats and DogsFrozen Chicken Diet Steve's Chicken Diet uses only free range, vegetarian fed chicken. The Chicken Diet is high in manganese and magnesium, which are crucial for ligament health, and a mid range fat and protein profile, making it a good option for high energy dogs. One of the differences between Steve's and other raw meat diets is our meat to veggie ratio. We keep our meat to produce ratio at 80% 20% in order to provide your pet with functional foods