Grain Free Duck with Sweet Potato & Orange is rich in amino acids. Duck is a highly palatable protein and this single protein source recipe contains a minimum 50% Duck, including 28% freshly prepared meat. Formulated without grain, this diet uses Sweet Potato as a highly digestible and tasty carbohydrate source, which is high in Vitamin B. This veterinary recipe also includes omega 3 supplements. Naturally preserved with rosemary extract and mixed tocopherals