My two year old hen has developed these symptoms and has had them for a few days. Any suggestions on what this could be and how to treat it? I've given her some yogurt and she appeared to perk up a little, but still doesn't seem to be showing much improvement. There doesn't seem to be any respiratory issues and she doesn't have blood in her stools, but her stools have an 'off' odor to them. Any ideas for diagnoses and possible treatment? Thanks!