Duck Egg Rolling onto same side

Advertisement Purina Flock Layer


5 Years
Jun 21, 2018
I have a few duck eggs in the incubator that are on day 19, 20, or 21 (I forgot to write down the starting date). The egg is roughly 70-80% dark with the exception of the air cell and a small bit at the top. When I turn the eggs, one of them rolls back onto one side.

Does this mean it is getting ready to hatch?

The air cell is smaller that I would usually like at this stage but I have reduced the humidity to grow them. I know I should go into lockdown any day now and up the humidity.

Any tips on how to increase the air cell?

Thank you x

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