lethargic, pale face, hunched over puffed up, stumbling around, not eating and drinking much, diarrhea.
no other chickens sick. its not worms ( worms make chickens lose weight rapidly ) not mites ( haven't found any ) he has a soft crop ( no crop problem )
Sounds like my Barred Rock Pullet. I took every reasonable course of action with no improvement...antibiotics, Corid, dewormed, forced fluids and solids. I found her laying on her side under the hanging feeder, just barely alive. She was the only sick one of the bunch.