Our Guinea Fowl Formula is packed with lean protein and low in saturated fat. It is also rich in iron and phosphorous. Guinea Fowl is also a novel protein source, so it could be a great way to start an elimination diet for dogs who have food sensitivities to certain meats, such as chicken. Our Guinea Fowl Formula is also grain-free and balanced with low glycemic carbohydrates to keep your dogs healthy and strong. Zignature Guinea Fowl 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® Guinea Fowl 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).