Hill's Science Diet Adult Chicken & Barley Recipe Dry Dog FoodHill's Science Diet Adult dry dog food is specially formulated to fuel the energy needs of dogs during the prime of their life. Made with high quality, easy to digest ingredients. Great tasting natural* nutrition for a long, happy life. With a wagging tail and licks on your face, no one can say hello like your dog. Because every moment you spend together is special, we strive to give you more of them. With natural ingredients and the right nutrients,