i have a couple of silkies and i wanted to know what the genetics are like breeding wise .. what i breed to what to make new colors or something like that anything would be help full .. i have a buff rooster that has black tail feathers so i can make partridge color with him then a blue hen with him and then i have a grey rooster i think it is his color is a little weird but he is pretty and then a black hen with him what could i make with these colors ??