Purina One Classic Ground for Adult Dogs Chicken and Brown Rice, Give your dog the nutrition he needs with Purina ONE Classic Ground Chicken and Brown Rice Entree adult wet dog food. Real chicken is the first ingredient, along with brown rice and oatmeal for wholesome goodness. Because this Purina dog food for adult dogs is made with 100 percent nutrition and 0 percent fillers, you can rest easy knowing that every high-quality ingredient has a purpose. This recipe is made with no poultry by-products and no corn, wheat or soy, so more nutrition goes to work inside your dog.