You are going to have to do something about overcrowding your birds. 415 sq ft circle is only big enough for up to a trio of fully grown birds. The 80 sq ft pen you put the cock back into is half the space he should have. A mature cock displaying can be more than ten feet across. Maybe you...
When introducing a new hen it is always better to bring the cock to the hens pen where she has seniority. All breeding pens should have a hiding place for birds that get pecked on or a cock that turns aggressive. We provide pallets or other objects for birds to hide under. It sounds like you...