Other foods are high in protein and may benefit dogs with cancer and kidney disease. You can also cook for your dog. Dogs favor rice, vegetables, and chicken. Have your veterinarian clean your dog's teeth once a year and brush their teeth with a medium-bristle toothbrush and doggie toothpaste. Do not use human toothpaste.
Tartar is a breeding ground for bacteria.
Bacteria get in the blood stream and affect the liver and kidneys. Give your dog plenty of exercise. Dogs like to walk around the neighborhood. As a dog ages, the muscle strength decreases and body fat increases. Research supplements for additional nutritional needs.