I seperated the girls because Peanut has lost weight since we have got Tutu. The vet also suggested doing it while Peanut is sick but I think I am going to keep them seperated because Tutu picks on Peanut. Right now they are in a split 3x4 (2x3 each). I just don't think that a 2x3 is big enough for them. I was thinking of expanded the cage to a 3x5 so they would each have a 2 1/2x3. Any ideas for a cage would help. Thanks