The one with the gunk might need a little help if it doesn't get out before it dries. I've had a couple like that. But if it's only been 7 hours, I'd give it until tmw.
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Awesome! That's great! I think you're doing good.
So she should just relax a bit? see why I couldn't use a bator? I would be in the nut house.. My bantam cochin hatched out 3 chicks today and all I had to do was look at them. What a relief.
I agree. Wait.
Perhaps the temperature was a bit low throughout the hatch? Did you count Day 1 starting at 24 hours after you put the eggs in?
Fingers are crossed for you!!
It shouldn't be too wet inside the duck egg. It sounds like your egg is wetter than normal. That is usually because there has not been enough evaporation of moisture from the egg during the incubation period.
An egg can fail to lose enough moisture if the humidity is too high (preventing it from drying out enough) or the egg shell is too thick (which can happen especially with young ducks and also at the beginning of the laying season).
You can tell how much moisture an egg is losing if you look at the size of the air cell - bigger air cell = more moisture loss. By the hatch time the air cell should be about a third of the egg. For next time, candle the eggs a few times during the incubation to check on the size of the air cell. If it is growing too slowly, lower the humidity to dry things out faster.
For now, just leave things as they are. If the holes are no bigger in 24 hours time then you can help a bit by taking away a bit of shell and membrane - tiny pieces at a time Tweezers are good for this. If you do it in a steamy bathroom this will replicate the incubator environment. Stop the second you see any bleeding. Don't panic, just put the egg back and try again an hour or so later.
But it is too early to intervene yet.