I have 6 hen ducks, 5 of them were hatched in early May, the 6th is one of the "Moms" of these young hens. They are crossbred from a Rouen drake. The young hens started laying eggs about a month ago. Some of the eggs are HUGE. Not only are they huge, but these big eggs nearly always have a double yolk, one even had a triple yolk!! I'm not sure which female(s) are laying the big eggs since they are never "in process" when I let them out in the morning. All I can say is I know why the girls "waddle" now. None of the "moms" ever layed eggs this large and I think only one egg from the moms ever had a double yolk. Is the double yolk trait hereditary? Is it unusual? Do double yolk eggs hatch well or do they even hatch at all?
It can happen a lot when they first start to lay. One of my ducks was giving me tiny eggs with double yolks. Someone else is laying monster eggs
When my khakis started laying I also got an unusual ammount of double yolks. Like 4 out of 6 everyday or more. They gradually stopped and now its rare for me to get a double.
I got some little eggs too! And some "misfires", the kind with the soft shell. Those were very weird to pick up.
