IF she's not eating, or drinking, check her crop. It should be fairly empty. IF it is, try some electrolytes, mixed with a little feed, and tube feed her. IF her crop is full, check the forums for impacted crop.
Follow along with the video below to see how to install our site as a web app on your home screen.
Note: This feature may not be available in some browsers.
Sorry for your loss.
How is the rest of your flock doing?