NutriSource®  Large Breed Adult Chicken and Rice Formula provides super premium nutrition in a scientifically formulated easy-to-digest food designed for large and giant breeds. Real chicken is the number one ingredient in NutriSource®  Large Breed Adult Dog Food. Chicken is a source of high quality protein to help maintain muscle mass and strength in large dogs. Chicken has a rich, wholesome taste large dogs love. The larger kibble size satisfies large and giant breeds appetite for chewing and taste. The readily available nutrients in chicken and rice result in less waste.