I have two RIR rooster and 6 Barred Rock hens. The hens started laying last week. I would like to start producing black sex links for spring. I think that is the right mix to get them. My question is ..... is it ok to set the new eggs from a hen that has just started to lay or should i wait. I cracked one and they are fertile. I would like to start soon so that i will have laying sexlinks by spring. Thanks!