Does such a thing even exist for chickens? In the past we fed our hens Layena, and it just never felt right to me. We are big into organics, non GMOs, no processed foods, etc., and I would love to do the same for our chickens. Do any of you purchase such a feed for your chickens, and if so, where do you get it from & how much does it cost? Thank you so much for any input. Much appreciated.