Thanks for for advice. I've wiggled the mouse around in front of him with the BP in his cage, and he'll just sniff at it a little bit but not strike or anything. I give up after about 5 mins of doing that. I'll lave the mouse in front of his hide and check on it ever hour or so. I feed him at night and it's pretty dark where I keep him, the only light that I have on in my appartment does not shine directly on him and there is a wall inbetween.
Last night I put the mouse in around 10pm and it was still there when I went to bed at 1am. This morning when I woke up he had eaten the mouse. Is this normal that it would take him that long to eat it? By that time the mouse isn't even warm any more. I'm obviously happy that he'll still eat this way, I just don't want him to ingest any of the substrate.