Do you guys recommend a brand of ointment?
To answer a few questions from above:
This injured hen was 1 of 6 baby chicks we got back in August. At that time, we already had 3 four month old hens (plus a 4 month old rooster - RIP.) It's these 3 "older" girls who bully the Bielefelder way worse than the other younger girls.
Yes, we had a rooster but it became a fox's dinner a few weeks back. We typically allow the chickens out to stretch their wings for a few hours per day but with the cold and ice we haven't let them out in a few days (because with such conditions we are seeing too many predators out looking for food and don't want to take any chances). I'm guessing a rooster would keep the girls in line? I'm not sure we are up to getting another rooster, at least not yet (due to noise complaints). Perhaps without the rooster, coupled with their inability to get out of the run, this might explain the attack.
Our run is 12' x 10' for 8 chickens (15 sq. feet per bird). Our coop is 8' x 4' (4 sq. feet per bird).
Regarding changing conditions, besides being cooped up more days in a row than normal, the only other new thing is that the younger hens have started to all lay within the past week. I'm not sure if she got attacked because of this or not.
Appreciate the thoughtful responses. Thanks!