Neon poop and corrid !
I've seen that neon green poop before with sick hens. I was told it had to do with dehydration.
See my chicken blog at: http://polloplayer.wordpress.com/
My little flock includes Pippa, a Belgian Mille Fleur d'Uccle, Ginger, an EE and three babies added January 2016 - Bella the BO, Ava the Australorp and Nugget, a RIR.