Aw, I'm sorry. There was one other option though. I have a roo with a heart condition, he got the point where he couldn't stand. I gave him Isoxyprin (spelling?) by the recommendation of my vet, and he's 100% back to normal. He's the first chicken that's been confirmed to have successfully...
Poor girl, she's starving. She likely has an impacted crop, and it's been blocked for a while. It's fairly easy to fix. Be sure to feed her a moist, high protein diet (wet cat food would be great) while she recovers. This will help...