Blue Buffalo Wilderness Chicken Recipe Grain-Free Dry Dog Food is designed to satisfy the spirit of the wolf in your dog. With more of the meat your canine companion craves, this high-protein, grain-free recipe contains real chicken to help build and maintain lean muscle, as well as a healthy balance of carbohydrates and calories to fuel your doggo’s daily adventures. You’ll feel good knowing his daily meal is free from poultry by-product meals, corn, wheat, soy, artificial flavors and preservatives.