Purina Pro Plan Completed Essentials for Adult Dogs Chicken Rice Make sure your older dog gets everything he needs with each bowl of 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 formula delivers the nutrition your senior dog needs to maintain his healthy body. Our delicious chicken and rice dog kibble tastes great and creates a wholesome meal that makes you both happy. Enjoy seeing him come running for the crunchy kibble combined with tender shredded pieces for a taste and texture that dogs love.