Our Lamb Formula features a clean, low-fat protein that helps your dog build strong muscles while maintaining their weight at an optimal, healthy level. Along with an assortment of essential vitamins and minerals, our Lamb Formula provides your dogs with the nutrition they need to be healthy, strong, and full of positive energy. Our recipes are always grain free and chicken free to keep food sensitivity and allergies at a minimum. Your dog will also love the taste. Zignature Lamb Formula Learned from Nature, Crafted to Perfection. Physiologically Tuned, limited ingredient premium food for dogs. Hypoallergenic meat first recipe, with no Corn, Wheat, Soy, Dairy, or Chicken, Chicken Eggs, or Chicken By-Products. Zignature Lamb Formula for dogs is formulated to meet the nutritional levels established by the AAFCO Dog Food Nutrient Profiles for all life stages, except for growth of large size dogs (70 lbs or more as an adult).