Why would chicks die late- could it be the heat?

Judexxwhite

In the Brooder
Dec 2, 2015
9
6
32
Hi,
My hen recently hatched only 3 eggs out of 12. Sadly when I cracked the remaining 9 eggs, the chicks were really well formed and must have died just before hatching. Im wondering what happened as I have never had this before.
Some reasons I thought of are-
We have had really hot weather and maybe the eggs over heated.
We had a huge storm of thunder and lightening storm a day or so before the eggs were due.
The hen had pooped in the nest and some of the eggs had dried pooh on them- perhaps contamination?
We moved her and the eggs inside a day before hatching as the weather was really bad- maybe we disturbed the eggs somehow?

Any other ideas.

Thanks Jude
 

sourland

Broody Magician
Premium Feather Member
12 Years
May 3, 2009
121,193
357,001
2,027
New Jersey
Hi, Jude, welcome to BYC. It is possible that after the move she may not have incubated the eggs adequately. Soiling the nest may also have been part of the problem.
 

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