Oh bother. One of the resident chickens at my local community garden has a crop problem. Her crop is feels HUGE, tight, and bloated. Kind of like a really full water balloon. I do NOT really feel anything solid in there. Anyway, this evening when I went to check on her it was obvious that her condition was getting worse. When I felt her crop she immediately vomited a small amount of liquid. So I kind of went with it and massaged her crop in an upward motion. A ton of liquid came up. Towards the end a bit of brownish black liquid dribbled out. The liquid was a little smelly but not overpoweringly so. I mean, it didn't make me gag or anything. From what I've read, liquid from a sour crop smells disgusting. So now I'm confused. I'm not sure if the hen has a sour crop or an impacted crop. I guess I have two questions: 1) Does liquid from a sour crop always smell really bad? Or, how can I tell which one she has? 2) Is inducing vomiting beneficial? If so, are there instructions anywhere on how to do it correctly? Thanks in advance to anyone who can take a minute to respond on this lovely Christmas Eve. I'm a volunteer chicken caretaker for the sick chicken and her flock mates and the community garden manager is out of town on holiday . . .