For a small chicken, like a ten-week old chick, a fourth of a cup at a time, wait an hour, and do another feeding. For a standard size chicken, a half a cup at a time, but no more than six ounces. Feed twice a day.
To be safe, feel the crop as you feed. Do not exceed her normal capacity.
I use a mixture of strained baby food, the overpriced babyfood that comes in jars, raw egg or yogurt, plus any meds I need to give. A mix that about the thickness of a milkshake becoming warm. I try for a high protein formula, but you can use unsweetened applesauce or strained carrots, for in...
Yes, it may be necessary to tube feed and water her to get her strong enough to start to do it on her own again.
Chickens, like sick people, can reach a point where they're too weak to eat and need to be helped back from that brink in order to recover.
Tube feeding sounds technical and...
It can take a few days. That she's showing progress, even small, is a good sign. Keep up the electrolytes with the sugar. It takes a while for the glucose and electrolytes to get back to normal.
Offer her some soft boiled egg or even raw egg. I sprinkle some dry crumbles in the crate to...
It sounds like heat stress. Do the elctrolytes have sugar? Sugar water should be given with electrolytes for shock and heat stress. The symptoms she has are compatible with heat issues.
If she doesn't respond to the sugar and electrolytes, then it's some other issue. It would be wise to check...