Lay the foundation to help your not-so-little one grow at an appropriate rate with Purina Puppy Chow High Protein Large Breed Puppy Food Dry with Real Chicken. Your large breed puppy’s first two years of development help lay the foundation for a healthy, active life. That’s why every bite of Purina Puppy Chow Large Breed Puppy Food is made to support large breed puppies from the inside out. This high-protein food is made with real chicken, giving every bowl a taste that puppies love and all the nutrients he needs at every meal. The nutrients in this recipe include 27.5% protein for growing muscles, calcium for healthy bones and teeth, DHA from fish oil, vitamin C, and essential vitamins and minerals. Start your puppy on the road to living large when you serve him Puppy Chow Large Breed Formula Dry High Protein Dog Food with Real Chicken.