We have a Salmon Faverolle hen that went broody. Ignored her for awhile, but then one day the kids said hey the ducks have mated why not stick a duck egg under her. So we stuck 2 undr her. between 1-2 wks I said ok lets candle just to see. One egg nothing the other has beautiful vessels and a big dark splotch. Tossed the one, left the one. Last Friday we picked up 9 Columbian Wyandotte eggs to attempt to hatch. Kids stuck them all under her. So not this little Banty Fave is sitting 1 duck egg and 9 chicken eggs...and couldn't be happier. So, question time. Kid has a chickbator. She is out of town until Jan. 1st. She wants to put a few of the eggs in the bator when she gets home. Will this be to late? Should I pull them now and stick them in the bator? Would it be better to wait a few days? How long should I let them sit before candling?