You should talk to the Chicken Chick. I posted on her FB fanpage and she immediately answered me. Very helpful and great blog. Blog: http://www.the-chicken-chick.com/ FB https://www.facebook.com/Egg.Carton.Labels.by.ADozenGirlz
Please keep me update. I would be interested to see how things go. Mine didn't have any color in her face like the rest of my flock (all hatched together). Good luck!
I had a 18 week old Lemon Orpington with the same symptoms. I didn't go to the lengths you have gone. Maybe if I had, she wouldn't have died today She would just stand around with her neck tucked in. When I tried feeding her by hand today, she wouldn't eat. I was took this picture and was going...