To use this Oxbow Garden Select food for your hamster or gerbil, simply fill their food bowl with an appropriate amount daily. You can refer to the feeding guidelines on the package based on your pet's age and size. Make sure to provide fresh water at all times. Keep the food in a cool, dry place to maintain its freshness. Avoid exposing it to direct sunlight or high humidity. Check the food regularly for any signs of spoilage. If your pet has any special dietary needs or health concerns, it's a good idea to consult your vet.