Hi Jules, >is it really good for them? Well, I believe it's the best you could ever give them! I've started giving mice (and other whole preys) to my ferrets about 2 years ago and they're all extremely healthy, they have beautiful shiny coats, more muscles and less fat than most kibble eating ferrets I have met. >and how often should they get one.. once a month?.. I would say as often as possible! I can only afford one prey per ferret per day because only one pet store im my area has them, they don't come cheap and I'm on a rather thight student budget. If I could, I would solely feed them whole preys (not only mice but also rats, chicks, quails, rabbit etc.). Bob Church makes a lot of good points in his diet series and explains all the benefits of whole preys a lot better than I ever could. You can look for them in the archives of the FML - http://listserv.cuny.edu/archives/ferret-search.html Hope you will take the plunge and give it a try! Cheers, Marie Germaine, Hector, Lolita & Wallace [Posted in FML issue 4595]