ive had 12 bob white in a 4x8 pen for about a week and a half now and ive only got 2 eggs so far last week there ar 4 roos and 8 hens. i feed them game bird feed and have a cabagge hanging from the top of the cage to keep the pecking down they have plenty of fresh water. and a few branches to jump on. do i need to put a box or something in the for them or what?