Tomorrow, I will be teaching a class of college students about chicken behavior emphasizing communication. Part of what I want to do is demonstrate paternal care they approaches the broody level shown previously in thread. A hen that hatched a clutch yesterday (Easter chicks) was housed in a nest box with rooster sitting on top of it. My hope is he was close enough to hen and chicks to start sound exchange that helps get process started. He has already greatly reduced his crowing frequency relative to yesterday during same interval. Today he and hen will be housed in pens that are in contact with each other. Chicks will be able to drift freely back and forth to interact with the adults. We will see if full on broodiness can be induced in 36 hours. I have no idea how long the process really takes.