I decided to give my broody australorp some eggs to hatch. She was so happy and content for a couple of days. Now some other hens are trying to go broody and kick her off the nest! Today they broke 2 of the six eggs! I really want her to stay in the coop because I don't want to deal with re-introducing her and the new chicks later. So I made a screen door for her nest box out of hardware cloth. I will let her out once a day and hang around to protect the eggs until she goes back in. I'll post a picture later and an update!