I try. Been researching and trying to learn as much about genetics as possible for my Easter Egger project. When you come across the same thing over and over again, it kind of sinks in. There is still SO MUCH to learn about color genetics, though. I feel like I've only scratched the surface.
The problem is that males express leakage, but hens can carry it and pass it on. Just because your girl doesn't show leakage, doesn't mean that she is free of the gene that causes it. If you breed him odds are not good of getting a leakage-free cockerel out of him. That is why breeders will not...