To use this dog food, simply measure out the appropriate amount according to your dog's age, weight, and activity level. You can serve it dry or moisten it with a little water if your dog prefers. Keep in mind that it's a vegetarian formula, so if your dog has been on a meat - based diet, introduce this food gradually over a week or so to avoid digestive upset. Store the food in a cool, dry place and seal the bag tightly after each use to maintain freshness. Check the expiration date regularly and don't feed your dog any food that has gone bad.