chicks fully foamed not hatching... dead in shell

markus19

Hatching
Jan 20, 2016
3
0
7
Hi guys looking for some advice i have been hatching chicks for a few years and sometimes get good results and sometimes get a poor result what always gets me so frustrated is when eggs don't hatch and when i break them open i then find fully grown chicks inside perfect foamed just dead not even broke the shell or broke the membrane bag that there in , I'm using a brinsea still air hatch master A 104 at temp 39.2

This hatch i set 120 eggs i threw out about 12 infertile which is what you expect however only about 40 hatched ,
about 3 zipped round half way and got stuck and died and about another 6 were early death however the rest around 51 had a fully grown chick inside perfect foamed just not broke out of the membrane or piped the shell....

This is soo soo disappointing when this happens... , i would rather they were clear or early death but to get this far then die what is it that's going wrong and why can 40 hatch and others not...

Ive added some images







 
Hi guys looking for some advice i have been hatching chicks for a few years and sometimes get good results and sometimes get a poor result what always gets me so frustrated is when eggs don't hatch and when i break them open i then find fully grown chicks inside perfect foamed just dead not even broke the shell or broke the membrane bag that there in , I'm using a brinsea still air hatch master A 104 at temp 39.2

This hatch i set 120 eggs i threw out about 12 infertile which is what you expect however only about 40 hatched ,
about 3 zipped round half way and got stuck and died and about another 6 were early death however the rest around 51 had a fully grown chick inside perfect foamed just not broke out of the membrane or piped the shell....

This is soo soo disappointing when this happens... , i would rather they were clear or early death but to get this far then die what is it that's going wrong and why can 40 hatch and others not...

Ive added some images







My first question would be "what was the humidity at the first 17 days" as well.
 

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