unhatched egg question/bad eggs?

4roosandahen

In the Brooder
11 Years
Feb 26, 2008
72
3
41
Oklahoma
My Coop
ok, my eggs are done hatching now, 5 hatched 3 lived). I decided to check to see what might have happened to the others today and cracked them all open(kind of grose and sad). I figured if I was to learn from this I needed to see explore what I might have done wrong. So, here are how they looked and maybe someone might have an idea of how I could be more sucessful next time?????

Here is a little of the incubation history on my still air LG.
Temps stayed pretty much at 101 but towards the end did go up to 103.?(water wiggler temps) and down as low as 97F the humidity stayed at the end at 65%. I suspect this but any one know for sure what might have done them in?

Had 16 eggs to start with that appeared living at day 14 good size air sacs.

Of the dead eggs most chicks appeared to have feathered out and looked normal but did not absorb the yolk sac or pip. What does that mean?

Also, one that died after hatching also did not appear seem to have absorbed its yolk sac all the way.

The other one that died had what looked like a black yolk sac still in its egg after it hatched. This also occured in another one of the eggs that I never pipped.

Can anyone tell me more on what might have been the cause or maybe a site that might help me answer my questions.
Thanks,
Stephenie- with three healthy little peeps
 

Tuffoldhen

Flock Mistress
12 Years
Jan 30, 2007
7,502
76
301
WV
Could have been a number of things that went wrong....Go to the search button in blue at the top of this page and type in incubation troubleshooting, lots of posts will pop up that you can save and read...there is a specific one "Incubation Troubleshooting"


Hope this helped...
 

claud

Songster
12 Years
Dec 12, 2007
843
2
162
PA
Of the dead eggs most chicks appeared to have feathered out and looked normal but did not absorb the yolk sac or pip. What does that mean?

This just gives you an idea when the chicks died. They absorb the yolk around day 19 or 20 - just before hatch so these chicks probably died on day 18. Just before hatch is usually the time when you have the highest mortality - even in a good hatch.
 

PurpleChicken

Tolerated.....Mostly
12 Years
Apr 6, 2007
11,744
34
321
Iceland
The water wiggler should be at 100 degrees max. Sounds too warm to me.

I've found an air temp of 101 will usually yield a wiggler temp of 99.5-100.
This is with my Little Giants and Brinsea bators.
 

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