Is anyone aware of pied china geese? Given how long these birds have been domesticated, it seems odd that there seem to be just brown chinas and white chinas. I bought buff African geese with the hope of eventually producing buff chinas. I produced a few offspring from that cross and will breed those next winter. (I really don't like the ponderous shape of the African geese).
Are the offspring of grey geese and china geese themselves fully fertile? If so it should be possible to cross chinas with something like buff Pomeranians and breed back to the china type.
. Yes you can cross those breeds and produce fertile offspring. If you want pied geese you can cross White and Brown Chinese. I currently have goslings from this cross and all have somewhat of a pied pattern. 
. They actually have a lot more white on them than what's showing up in the pictures. Also the older they get the more white appears to be coming in on them. 
. Good Luck with your project! Make sure to post lots of pictures as you go along 
