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.