I have two BB babies, about 2 weeks old. They are almost as big as my three 6-week old Brahma chicks. Can I house them together? Do I use the higher protein turkey feed or the lower protein chick starter? Would they be better just to be kept separate? I'm running out of coops! I will be calling my Ag Dept to see if there is blackhead in the area, although mine are the only chickens around.