A while back I picked up a bunch of mice from a local pet store. They were giving them away as babies and I figured that having 2 BPs that this would be a good opportunity to get them some free food and give me the chance to keep my own mice handy for feeding.

My question is that now that the mice have gotten a little bigger they fight all the time. I have had one female have babies and seperated her and the babies from the rest since I found that one of the babies was eaten by some of the other mice. I have 16 total mice, half males and half females. How is the best way to keep them healthy, breeding, and not fighting and continue having healthy babies????

Thanks!