The older dog will need a good, well-balanced diet that is lower in calories, higher in fiber and has adequate protein and fat. For some older dogs, you can continue to feed their regular food, but in a smaller quantity. Specially formulated senior diets are lower in calories and help to create a feeling of fullness.
More useful articles on a similar topic 👇
What is a good food for older dogs?How to feed a senior dog well into old age?