When i first heard this, i'm pretty sure my mind dismissed it without consulting me. But then my experience seems to be telling me something different. I used to have only one rooster - a RIR, Rocky. And i had three breeds of hens - RIR, BO, and BR. So whenever i had a hatch, i would have either light red birds, dark blonde birds, or black sexlinks. Then i got a BO roo. We haven't separated the flocks yet; we're just hatching fuzzy mutts. The thing that makes me think this multiple father thing is true is that i don't get black chicks anymore. I get calico looking ones instead. Straighten me out?