It sounds like it's more assertiveness than typical hierarchy establishment. Sometimes a chicken just exhibits bad behavior and causes stress for everyone else in the flock. You don't want that to be the case long term. A flock should be harmonious with occasional pecks for territory space but otherwise, everyone should be able to access food and water at will without being bullied away. Is she guarding or preventing others from accessing food and water have you noticed?
If she is relentless with her attacks on others, it will create constant stress and stress can affect egg laying production in all the chickens.
If she is relentless with her attacks on others, it will create constant stress and stress can affect egg laying production in all the chickens.
