Give your dog exceptional nutrition whenever you feed him Purina Pro Plan Sport Performance 30/20 Salmon & Cod Formula Dry Dog Food. Formulated for highly active dogs, this salmon dog food offers concentrated nutrition to help optimize oxygen metabolism for increased endurance. With real salmon as the first ingredient, plus high-quality cod, this dual-protein fish dog food consists of 30 percent protein, 20 percent fat to sustain energy and fuel metabolic needs at all stages of life. Fortified with EPA and glucosamine for joint health and mobility, this protein-rich seafood blend makes daily activities like running, jumping, and playing fetch easier on your canine. Packed with essential amino acids to nourish muscles including during the crucial time after exercise, it has Omega-6 fatty acids and Vitamin A to promote skin and coat health.