Our Catfish Formula dog food is naturally high in protein. This healthy dog food benefits your dogÕs digestion, regulates hormones, and builds muscles, making our Catfish Formula not just flavorful, but the healthiest dog food. Making this limited ingredient dog food chicken free and grain free helps any dog that may have a pet food allergy. In addition to being a hypoallergenic dog food, our Catfish Formula contains rich amounts of essential fatty acids. Good for medium sized dogs to all size dogs, catfish makes a good puppy food for your newly acquired pup. 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. AAFCO stands for Association of American Feed Control Officials. Zignature recipes are formulated to meet all the nutritional levels established by the AAFCO Dog Food Nutrient Profiles. This certifies that Zignature is a nutritionally complete product that can be fed to your pet as its sole ration without adding any other substance except water. We use a limited ingredient formula because in most cases simple is best. Zignature is formulated to serve your canine companionÕs needs by delivering the highest quality, well-balanced diets. Our limited ingredient formula uses No Potatoes, No Grain, No Chicken, No Eggs, No Glutens, No Tapioca, No Corn, & No Soy. Our Single Animal Protein Formulas are extremely palatable, encouraging a healthy appetite and providing high-quality protein for strong muscles.