Are you referring to the passing poo and eggs through the same hole? "When a hen lays an egg, her uterus turns inside out beyond the cloaca that the egg never

Are you referring to the passing poo and eggs through the same hole? "When a hen lays an egg, her uterus turns inside out beyond the cloaca that the egg never touches the nasty stuff." https://www.realclearscience.com/blog/2012/06/chicken-reproduction.html https://www.realclearscience.com/blog/2012/06/chicken-reprod...