Hard boiled eggs are one of the easiest things for chickens to digest. It's not what she ate that's causing her problems.
Check her crop first thing in the morning. A crop disorder can cause weight loss, and eventually starvation. If her crop is full and never empties, she will never feel hungry.
Check her crop first thing in the morning. A crop disorder can cause weight loss, and eventually starvation. If her crop is full and never empties, she will never feel hungry.