I am sure this is common, I just started raising chickens a few months back. But my hubby had chickens and said he has seen this before. I had a hen show up in my yard and it won't leave, it has these blisters under it's eyes. There seems to be a little pus now and then, and one side actually popped and left a gapping whole. I keep her away from all the other chickens. Can anyone tell me what this is, is there a cure, and is it contagious. Thanks so much.
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