Several of our chickens have had problems with runny eyes and with their feathers around their necks disintegrating (see pics). We have tried both tetracycline & sulmet and it seems to clear up a little for a while but comes back. It has been going on for several weeks.
Does anyone have any suggestions on what could be wrong and what can be done?
Does anyone have any suggestions on what could be wrong and what can be done?



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