Final response from vet to close out the ticket:
Dr. Michael Salkin Bird Specialist
Navigate to the "Chicken Chick" website which is a terrific resource for the lay poultry caretaker. The site is overseen by avian vets and so you can trust the information inside it. Make friends with an avian...
It's scary to have a beloved pet that's difficult to find a vet for, get sick in the middle of the night. I've been there before with button quails and that helpless feeling sucks something awful. I really hope that you and Emily are doing ok. I'm really sorry that the responses haven't been...
Additional reply from the vet:
Regrettably, the 10-second video reveals no more than what you described as "suddenly sat up, as though startled". Marek's disease can manifest in many different ways and so, yes, it would be on my differential diagnosis list. Here's more on Marek's which should...
Additional reply from the vet:
Force feeding can only be helpful. If you're adept at tubing a chicken, make a gruel of her crumbles and tube it into her until her crop appears to be half-full. Repeat tubings when the crop empties. Charcoal isn't indicated but a full physical exam including vent...
Here is the reply from the vet, sadly the answer really isn't much help:
Dr. Michael Salkin
Bird Specialist
I reviewed the discussion and video. Regrettably, Emily's presentation can indicate any number of illnesses or health issues in chickens. In avian medicine, there's rarely one cause of...
Try using a paid emergency online vet. The one I've used in emergencies in off hours is https://www.justanswer.com/sip/veterinary
Price might run $50-75, but you'll get an immediate answer from a real veterinarian.