I'm new to BPs and am wondering how frequently a young BP should be fed?

My BP is 124 grams. I've been feeding him (an adult live mouse) every 10 days and he's gained 10 grams in just over a month. Is this a good gain or not?

I've read that if you feed too frequently they can fast and I want to avoid that happening.

I'm also going to be attempting to feed f/t tonight. Can you pre-scent the room with frozen?