I have a bcm hen that is picking on my other chickens. I have a mixed flock with two silkies, one blrw pullet, and a bantam auracana rooster. She is mean to all of them except the rooster. I've tried letting her adjust to the blrw pullet by separating them for several weeks where they can see each other but not interact but she is still relentless. Since she is the one causing the trouble, I've removed her to the adjacent pen and let the others stay together. Any suggestions on getting her to interact better? There is plenty of room in the pen as well as food and water access.