Diamond Performance Formula is formulated to meet the nutritional levels established by the AAFCO Dog Food Nutrient Profiles for All Life Stages including growth of large size dogs (70 lbs). or more as an adult). Diamond Performance Formula is the ideal diet for the hard working canine athlete. The perfect balance of fat and protein helps maintain strength, increase endurance and provide the energy your dog needs for peak performance. Also an excellent choice for puppies and pregnant or nursing adult dogs.