I've never done it so no real experience trying that. I'll still throw out my thoughts.
Genetically speaking it should not matter with RR. It might with the CX because of the dwarfing gene. If you try to use a male CX you might get dwarfs if you have a strain that uses dwarfs. If you use...
Can anyone recommend more good resources and websites like this one? Extension Service Poultry Genetics
You might fined this helpful. It's only about feather color/patterns but it can help you get a handle on how chicken genetics work. It is fairly simplistic as there are several nuances it...
I did not know that Rangers were fast feathering. That would explain what you are seeing.
One sex-linked gene pair controls feathering rate. The slow-feathering gene is dominant over the fast-feathering gene. A hen gives her sex-linked genes to her boys, her girls get nothing from her. A...