Thanks Deerling for your reply. I left her on a heating pad last night, and she died sometime between midnight and 7am. I feel horrible, but at least she is no longer in pain. Thanks for the words of advice. The rest of the flock is fine, and I will definitely treat with Corid in the future...
I have a 14 month old Black Astrolorp laying Hen named Anouk. She has been listless and sick for 2 days. She has no apparent injuries, but just lays in a corner, droopy tail, eyes shut most of the time, seems to have labored breathing. Had runny greenish whitish poop both days. I have given her...