FORMULATED FOR PUREBRED ROTTWEILERS: Royal Canin Rottweiler Puppy Dry Dog Food is designed to meet the nutritional needs of purebred Rottweilers 8 weeks to 18 months old SPECIALIZED KIBBLE: Unique kibble shape helps large dogs easily pick up and chew their food HEALTHY DEVELOPMENT: An exclusive complex of antioxidants, including vitamin E, helps support puppy development of the immune system MUSCLE SUPPORT: Provides bone and joint support with optimal levels of protein, calcium, and phosphorus, and added L-carnitine OPTIMAL STOOL: High-quality proteins and prebiotics support digestion and promote optimal stool quality in young dogs