Well after waiting for two weeeks my new male ball fed on a adult mouse. i got the Ball Python Manual by Barkers,Phillipe De Vosjoli, Roger Klingenberg, book and he has a lot of tips for getting new balls to feed. one of the major things he says that keeps them from feeding is stress usally cuased by to much handling when you first get your ball. i would recomend this book to any one. i got my copy from www.half.com. one suggestion he made was to put a pinky rat into a yogurt container and leave it in overnight since balls are nocturnal and are more likly to feed at night. he had 5 other really good ideas to if you want to hear them e-mail me.