Blue Buffalo Senior Chicken and Brown Rice Is A dry Dog Food Meant For Dogs Around Age 7 and Up. Having older dogs on a diet formulated for senior dogs is beneficial for the dog's well-being. Essential ingredients like Glucosamine and L-Carnitine help maintain healthy joints and muscles. Made of deboned chicken, whole ground brown rice, oatmeal, omega 3 fatty acids, and more. Protein no less than 18%, Fat no less than 8%, Fiber no more than 5%, and Moisture no more than 10%. 430 kcal per cup. 6Lb.