I switched mine to medicated feed when it happened to my chick. No way to know if that actually helped anything. None of the others ever showed symptoms of anything and they’re all thriving still at 9 weeks. Folks here told me it just happens sometimes. One dies and you don’t know why.
I had a chick behave that way a couple of days after coming home. She would almost sleep standing up, didn’t run when I tried to pick her up, and kept to herself in the brooder. Some folks here suggested electrolytes or sugar water through a syringe but unfortunately she passed before I had a...