Using this Oxbow Garden Select Adult Rat Food is easy. Just serve it in your pet rat's food bowl daily. Make sure to provide fresh water at all times. Store the food in a cool, dry place to keep it fresh. Check the expiration date before using. If you notice any changes in your pet's eating habits or health, stop using the food and consult a vet. And always follow the recommended feeding amounts based on your rat's age and weight.