well first you need a chicken that is "laced" Like a speackled sussex or a laced wyanddotte to begin with and then cross them with a "blue bird" like a Blue Orpington or a blue copper maran and just breed the chicks togather untill you get what you want but that is a very speific breed and it is...
I have been asking different people what the height of the chickens roost pole should be and i have gotten a different answer from every person. I was thinking about having it at 12 inches off the ground of the chicken house that way they have plenty of head space the chicken house is 32 inches...