Humidity Help Needed

Hknisley

Hatching
May 6, 2020
2
3
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I have Sebastopol eggs in the incubator and I think I might have a serious problem. I was keeping the humidity around 50%, spraying and cooling daily. I figured I should aim for a 15% weight reduction by day 28. At day 7 the weights looked right on track. At day 14 they were loosing weight too fast so I increased the humidity to 60%, then 70%. Today is day 18. Out of 5 eggs I have one at 15%, three at 13% and one that was heavier than the others at 10%.
If I understand correctly, an air cell that's too big will crowd the embryo and as a result it won't be able to maneuver to get into position to pip?
So at this point do I increase the humidity even more? Do I turn the fan off? Do I continue to spray the eggs, and if so do I do it when I open the incubator or right before I close the incubator? I just can't figure out how things went so horribly wrong. 😩 BTW I'm using a Hovabator with a fan and an Incuturn egg turner.
 
I'd stop spraying the eggs at this point. I've never sprayed my ducks eggs before you'll have to tell me how this works out for you!
 

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