Oh wow that's a large area. My hen had maybe a two inch area. I haven't heard bad things about the blue kote and it did help my one hen and duck w small wounds. I think coating it in something, antibiotic ointment or blue kote will at least protect it somewhat from dirt.
I also use colloidal...
One more thought here, you said two roosters... How many hens? When I only had 3 hens for my rooster he was more aggressive. They like to boss around/mate with a few girls.
I added two more and he hasn't been as bad until now two are on nests.
It's alot of moving things around but I separate...
Sounds like you are doing all you can. Really hope she recovers. Lots of dynamics go on with flocks. I'm only on my first year and it's really alot of work when you care. I don't think most people realize this. I'm sure just keeping a few hens is easier but I couldn't get rid of my rooster and...
My rooster can get aggressive too
I've used wound coat from tractor supply.. You can spray it on it for antiseptic. It is purple so it also helps me find easily to