NutriSource® Large Breed Adult Lamb Meal & Rice Formula provides superior nutrition in a scientifically formulated easy-to-digest food. NutriSource® uses the finest ingredients including lamb meal as the primary source of protein and rice as the primary cereal carbohydrate ingredient to help maintain muscle mass and strength in large dogs. The large breed kibble size satisfies large and giant breeds appetite for chewing and taste. The specific protein and carbohydrates are selected for their ease of digestibility.