Never mind LOL. Just read up and I see the "contageous" part I missed. I guess you never really know but mine never had discharge or a bad smell. Sorry I read too quickly
Great article. The one question I have is - if you have had the same flock together for years and one gets a respiratory infection, why wouldn't you just get a vet to look him/her over and help her? That is what we did a year ago - I took Butternut to the vet asap once I noticed her puffed up...