FEEDING RECOMMENDATION: (Juvenile animals) For chinchillas younger than 1 year of age, feed Chinchilla Diet free choice along with fresh hay and limited alfalfa. (Adult animals) For chinchillas older than 1 year of age, feed 1/8 - 1/4 cup of Chinchilla Diet along with free-choice grass hay. Supplement with Chinchilla Booster multivitamin. Remove uneaten food after 24 hours. Always provide fresh, clean drinking water.