I'd wait until she's got her skin back, and feathering in. Then pick one of the more docile of your girls to go in the tractor with her, then reintegrate them together while throwing the rooster in the tractor for a few days. But no, I don't think it was the rooster at all.
Quick story... Mr...
Hey Juise! You've been gone forever! Anyway, I am of the mind that your girl probably got attacked by a juvenile hawk, and she was able to get away. Kinda of like how my Roger got attacked and scalped last year. Be sure to give her electrolytes as well to keep her "up".
I had a coon get in my...