Cant really answer ur question but I have hatch or are hatching or soon will be hatching a barn yard special of the following ;
Lt. Brahmas Roo w/ RI Reds hens
Lt. Brahmas Roo w/ Buff Orp hens
Lt. Brahmas Roo W/ X -Rocks Hens
Lt. Brahmas Roo w/ LT. Brahmas hens
Buff Orp. Roo w/ RI..Red hens
Buff Orp. Roo w/ LT. Brahmas hens
Buff Orp. Roo w/ Silver laced wyandottes hens
Buff Orp. Roo w/ Buff Orp hens
Black Jersey Roo w/ RI.Reds hens
Black Jersey Roo W / LT. Brahmas hens
Black Jersey Roo w/ Buff Orp hens
Black Jersey Roo w /Silver laced wyandottes hens
RI.Reds roo w/ LT. Brahmas hens
RI.Reds roo w/ Buff Orp hens
RI.Reds roo w/ Silver laced wyandottes hens
RI.Reds roo w/ X -Rocks Hens
Pic.s soon will follow as I have to dig them up of the breeds that I started to cross so far
but here a link that I started about some crosses of breeds and some pic's of crosses up dated pic will soon to follow
https://www.backyardchickens.com/forum/viewtopic.php?id=92419