Purina Pro Plan Complete Essentials for Adult Dogs Chicken Rice Make your older dog s nutritional needs a top priority with Purina Pro Plan SENIOR Shredded Blend Chicken Rice Formula Adult 7+ dry dog food. Featuring real chicken as the #1 ingredient this immune system support Purina dog food formula delivers the outstanding nutrition your senior dog needs to maintain his healthy body. Our delicious chicken and rice dog kibble is tasty and nutritious creating a wholesome meal that satisfies you both. Watch him come running for the crunchy kibble combined with tender shredded pieces designed to make dogs clean their bowl.