It seems it is very difficult to find White Dorkings, so I was wondering that while searching for them if I could create my own line by crossing a Silver Grey Dorking with a white feathered, rose combed chicken (Wyandotte, Leghorn...), and then crossing back with Silver Grey culling for White...
Is it possible to get a White Dorking by crossing a Silver Gray with a rose comb White Leghorn and then crossing back to Silver Grey culling for White Dorking SOP?