NutriSource Senior Dog Chicken and Rice Formula provides super premium nutrition in a scientifically formulated easy to digest food specially designed for dogs 7 years of age and older. Real chicken is the number one ingredient in NutriSource. Chicken is a source of high quality protein; chicken has a rich, wholesome taste dogs love. NutriSource combines chicken, rice and carefully selected ingredients in the precise blend to balance all essential nutrients necessary for optimum health, well-being and long life. Readily available nutrients in chicken and rice go to work on the inside, resulting in less waste.