Prioritize your dog's health with Purina Pro Plan Sport Performance 30/20 Salmon and Cod Formula Dry Dog Food. This power meal provides concentrated nutrition to help optimize oxygen metabolism for increased endurance. Formulated for highly active dogs, including competitive canine athletes, this sport dog food has a ratio of 30 percent protein and 20 percent fat to care for metabolic needs and maintain strong muscles. Salmon is the first ingredient in the high energy dog food for exceptional nutrition and a great taste dogs love. Fortified with amino acids to help nourish muscles, including in the critical time after exercising, this dual-protein salmon dry dog food is made with EPA and glucosamine for joint health and mobility. The antioxidant-rich formula offers 100 percent complete and balanced nutrition that nourishes his immune system. Pro Plan Sport is the official performance dog food of Ducks Unlimited, so you can feel confident in helping him achieve his athletic potential.