I looked at pictures of bumblefoot but it's in the middle part of their foot not on their toe in the pictures I've seen. Can they get it on their toe? I just looks swollen now; I don't see any discolored areas where bacteria could be growing.
One of my Plymouth rock hens who is just over a year old has a swollen toe. The swelled area is near the base of the underside of her middle toe on her left foot. I noticed it yesterday because her left foot was sticking out a little too far like it was painful to stand on. She was also shaking...