food size for my bp?

[TanyaL]

I feed my male 2 large adult mice once every 7 days and for now he seems fine. Sometimes he takes the 2nd mouse...sometimes he doesn't, but I always offer the second mouse and let him decide
When I weighed him a couple weeks ago he was at 429 grams on empty.

How do you offer the second prey? I'm still trying to figure that one out.