If that was what happened, would it take approximately two weeks to show up? She's only been acting like this for a few days. She's been in a separate pen with two other hens, all are pretty mellow, I've never seen any fighting between them.
I have a one year old Bourbon Red hen that I thought injured her wing, as it was slightly drooping. Upon inspection, there was no sign of injury, and thought it may be a tendon issue. Each day her wing drooped more, now four days in, and now she's having difficulty walking. She was separated...