Quote Originally Posted by Deborah View Post
You can switch any time you want the problem is mainly to find a source of appropriately sized feeders, if you have the source you can switch now by feeding a rat the same size than the mice you are currently offering and bump size as needed.

Many of my BP never saw a mouse in their life and were started directly on rats.
I start directly from rats also... it gives them one less reason to fast, but there are so many more =/