Breast milk contains many elements that support puppies' immune system and help them grow up with proper physical and congenital development. The emergence of his first tooth is the signal that the pup is nearly ready for his first meal. Your puppies can be weaned and transit to his solid meal at 6-8 weeks of age. So once breast feeding is over, continue healthy growth with PEDIGREE® Starter Mother & Babydog. It has all nutrients to support puppy growth, like protein, essential vitamin and mineral, and easy to digest for better absorption. As result, your puppy gets all essential nutrients he needs for healthy growth.