Dogs are ancestral carnivores, so their Biologically Appropriate diet is rich and varied in whole animal ingredients. ORIJEN^® Tundra recipe provides your dog with the nourishing protein and nutrients they need, from grass-fed lamb, ranch-raised venison, duck & fish. With rich inclusions of Wholeprey animals, ORIJEN dog food is made with the most nutrient-dense, succulent parts of the prey to deliver the nutrition dogs need.