We expiriment with our layers quite a bit. We have a really nice rc RIR roo and a bunch of hatchery RIR hens, if we cross them is that like blasphemy or would I possibly improve my layers to include a bit more size and color? What about the comb? Currently the ladies are in with 5 roos of various different breeds, but if I take those gentlemen out for a couple weeks would I be fairly confident that the eggs would be his babies? How long would I need to wait before incubating some to ensure he was the offending gent? Thoughts, ideas, suggestions, thanks!