from what ive heard, you need to interbreed (brother to sister pairings) for 60 generations to get a pure colour gene. start getting problems at 100 generations.
some lab report i read. if that holds any weight or not im not sure. you can definatly in-breed for some time. its not a bad thing with mice
some lab report i read. if that holds any weight or not im not sure. you can definatly in-breed for some time. its not a bad thing with mice