Feeding your senior large - breed dog with Eukanuba Senior Large Breed dry dog food is easy. Just follow the feeding guidelines on the package, which are based on your dog's weight. Make sure to provide plenty of fresh water at all times. Store the dog food in a cool, dry place to keep it fresh. If you're transitioning your dog to this food, do it gradually over 7 - 10 days by mixing increasing amounts of the new food with the old one. This helps prevent digestive upset. Keep an eye on your dog's weight and adjust the feeding amount as needed. Always consult your vet if you have any concerns about your dog's diet or health.