Kimbroe, I'm not a broody expert, I have only had the one broody and she did protect her chicks from the others, but they weren't aggressive at all towards them. Oreo my roo also actively "gaurded" both the broody mom and the chicks. Skyfire my broody wasn't one of Oreo's favs and he seldom was around her before the chicks or since then, but while she had chicks he was always by her side. The chick(s) and mom won't budge for a day or so after hatch, but after that we made sure there was a ramp for them and they did fine.