I assure you that medicated feed is not poison in any form whatsoever and to think like that is silly to say the least. Even in the compost heap!
bigzio
I think it is the last of your worries. Your chicks will benefit and be healthy and i think it is a wise choice to use it.
Horror stories likes bloody poo because your peeps have cocci are avoided with the precaution you have taken. Don't worry be happy because you did good.
bigzio