Nulo Challenger Game Bird Quarry Duck Turkey and Guinea Fowl Adult and Puppy Dry Dog Food is a premium grain-inclusive diet combining novel poultry proteins (duck, turkey, and guinea fowl) with organic grains for balanced, low-glycemic nutrition. Real deboned duck leads a pack of five animal-based ingredients that provide the majority of the protein, supporting strong muscles and a healthy heart. Fused with BC30 probiotics and nutritious veggies, this all-life-stages recipe aids digestion and immunity, while its ethically-sourced ingredients and double-stitched quality reflect a commitment to both palatability and sustainability. Available in Multiple Sizes