The best diet includes a variety of foods. Most animals thrive on a good quality dog or cat food with an occasional healthy treat. Milk Do not give milk or cream to puppies or kittens. Once an animal is weaned, it loses its ability to digest milk.
Milk can cause uncomfortable stomach disturbances and diarrhea.
It is not necessary to buy premium dog or special puppy foods. Most adult dog foods are nutritionally complete, and the rich formula of puppy food promotes a growth rate that is too rapid to allow for normal joint and bone development. We do caution against generic brands. You can manage some medical problems with special diets. Most grocery store brands are not low enough in minerals to prevent bladder disease for male cats.