I have one I'm treating for dog bites. In the house with me in a toat. Sprayed all the wounds down with vetracin.Here's my poor Olive girl. I don't feel like I'm getting anywhere with this abcess yet. I just created a thread to see if anyone has other suggestions, but maybe I will have to take her to the vet. I don't even know if vets around here see chickens.
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Hope you start seeing improvements in her or that we have someone on here that can give advice on it before you have to seek out a vet.