gasping lethargic chick - emergency trying to save dying chick

[Aki no niwatori]

I have an adalusian chick, lethargic eyes closed, kinda gasping. managed to feed some egg yolk and water with vitamins and probiotics.
I currently have it warm and propped up where its head it up.

 

[EggSighted4Life]

how old, is it's butt clear?