Ugh, yes, we had the same experience. We had some long term antibiotic treatments, salt spray treatments, uv treatment. We never had positive results apart from alamycin spray. Here in Ireland it's easy to find this spray, the problem is that it is blue! So the bird lived his life looking blue...
This really looks like a condition I've seen previously. A topical alamycin spray has appeared to cure it for us in the past, but once we stopped treatment it did eventuality come back. We tried a lot of other treatments under veterinary advice and nothing else ever made much difference. The...
Glad I could help! I removed the gravel from mine and went for deep litter woodshavings. It's very damp where I live and I found that it was hard to keep the smell down with gravel. A flock of hens produces a whole lot more mess than one hawk or falcon!
Hello! I'm actually a falconer as well as a chicken keeper and have done the same thing. The chickens were perfectly happy going into repurposed aviaries and didn't show any signs of being any the wiser as to the identity of the former occupant. If the aviaries have been empty for as long as...