I thought when you breed black with blue you get 50 50 well my hen who is black has a blue chick and a partridge chick hm.... i have only one blue rooster which we dont have anymore since we are not aloud to have roos but before we got rid of him he mated with my rosie and i had 8 of her eggs hatch in the incubator last week and now she has 2 with her that have hatched out of 4 i know one egg is not going to hatch we will see about the other