The answer is different for each pet. You can look for a nutritional adequacy statement from the Association of American Feed Control Officials (AAFCO) as well as the FDA. Pets’ nutritional needs do change, depending on their life stage and health. Your veterinarian can recommend a pet food, as well as give you advice on deciphering ingredient lists and determining how much to feed your pet.
Due to new information regarding dilated cardiomyopathy and other diet related health issues, we now recommend 5 major brands of dog and cat food. These five brands have done food trials and have scientific data regarding the safety associated with their foods. These brands are Hill’s Science Diet, Purina Pro Plan, Royal Canin, Iams, and Eukanuba.