Thank you! I believe it's recommended to feed mice during the 1st year due to the fat content found in rats. That's what I was told by my breeder and many on the board follow this protocol. He's a wonderful eater (unlike my BP) so I'm not too worried once I switch over to rats in the near future.
Boas are garbage disposals. They are not BPs.
The switch will be easy. Feed mice until he can take rat pups.