c**ts like that shouldent be aloud to keep animals cause he sounds like one him self as for feeding her with your jills i wouldent keep her with your other ferrets until you no she isnt carrying any thing which your own ferrets will get keep her on her own for about 2 weeks to make sure she is fit and well to join your own just keep giving her plenty of good grub of mostly meat ,egg, and ferret mix and she will soon put the weight on