Proper nutrition is essential for a dog’s health and fitness. Dogs that stay in shape longer generally live longer too – and they enjoy their lives more, too. You can do a great deal to ensure that your dog keeps his healthy bones, strong muscles, healthy immune system, and shiny coat. But what are the right things to do? Find out what experts and dog lovers recommend – from the correct food portions to dog food ingredients and sensible drinking behavior to changes in diet and ingredients you should avoid.