Diamond Naturals Large Breed Lamb & Rice Formula Adult Dry Dog FoodLamb protein and proper fat levels provide the nutrients needed to sustain a large body while maintaining ideal body condition. Glucosamine and chondroitin help support joints, and omega 6 and omega 3 fatty acids from super foods help maintain healthy skin and a shiny coat. For dogs that may have sensitivities to other protein sources, lamb is a tasty alternative. Real lamb protein is a tasty alternative for dogs sensitive to other protein sources