Yes it is fine.Is it ok to feed my chickens their egg shells and what for prep do I need to do before doing this?
Some people like to, but I've never heard a chicken complain about unwashed shells. (No sickness or other bad effects either.)I wasn’t sure if I need to wash them first?
That is what I've always done. I have never bothered with washing, drying, or much crushing/grinding of the shells. Giving the shell a quick squish is the most I've done (so it looks a bit less like an egg.) Sometimes that means stepping on the shell after dropping it in the chicken run, other times it happens with a hand or fork in the kitchen before taking the shell outside.I was thinking too that I would just give them some the same day I eat eggs and not necessarily keep them around for days.