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.