I am new to having chickens. I have 3 Splash Ameraucanas, 6 Buff Orpingtons, all 25 wks old, and one 6+yr old Ameraucana who came to us to retire when chicks were 16 wks. We live in FL on an acre. My peeps have about 1/3 acre for free range and are locked in coop every nite. I got all but the...