One of my geese went broody and was doing a miserable job, being a first timer and all. Eggs were developing, but would die after a few days. I stuck four of the goose eggs under a broody muscovy hen, returning the eggs to the goose a few days before they were expected to hatch, and lo and behold, 4 goslings hatched yesterday! They're either embdens, American buffs, or a mix of the two.