Silence Is Not Golden Here

Just a small point; America includes Canada, and several other countries, as well as the United States. North America is primarily Canada and the US, though. So if you live in Canada, you've seen America before. You're American! Just not a Stater.

(Some of the other countries in North America might debate which are primary.)
 
Well... I strongly believe in helping a chick before it's too late, if I think there's a problem.

I decided there was a problem with #6, who was making no progress at all in getting out. I figured... most likely that's my deformed one, and better to find out now, when I can put it out of its misery quickly, than to leave it until it died in the shell.

I was wrong. At least, I appear to have been. Chick doesn't appear to be deformed... but when I flaked the shell off, leaving the membrane intact and oiling it as I went, the upper part was already nicely oiled and moist - I oiled it when I put the safety hole in. These eggs lost a full incubation's worth of humidity in the first ten days for some reason, when I had the humidity at 35-45% via two calibrated hygrometers, so for the latter half of incubation, I boosted the humidity almost to lock-down levels to try and keep them from losing too much more. The BOTTOM of the egg, below the chick, had dried out and encapsulated it. I've currently got humidity at about 75% for lock-down, so I don't think this was from the safety hole! The yolk is fully absorbed, nicely sealed belly, and very happy to be able to stretch out and move.
 
Well... I strongly believe in helping a chick before it's too late, if I think there's a problem.

I decided there was a problem with #6, who was making no progress at all in getting out. I figured... most likely that's my deformed one, and better to find out now, when I can put it out of its misery quickly, than to leave it until it died in the shell.

I was wrong. At least, I appear to have been. Chick doesn't appear to be deformed... but when I flaked the shell off, leaving the membrane intact and oiling it as I went, the upper part was already nicely oiled and moist - I oiled it when I put the safety hole in. These eggs lost a full incubation's worth of humidity in the first ten days for some reason, when I had the humidity at 35-45% via two calibrated hygrometers, so for the latter half of incubation, I boosted the humidity almost to lock-down levels to try and keep them from losing too much more. The BOTTOM of the egg, below the chick, had dried out and encapsulated it. I've currently got humidity at about 75% for lock-down, so I don't think this was from the safety hole! The yolk is fully absorbed, nicely sealed belly, and very happy to be able to stretch out and move.
Great job! I've helped chicks before the 24 hr rule and it saved them. The two I particularly had in mind, zipped but were stuck. They had too much fluid in their shell and as they zipped it dried out and cemented them in the shell so they couldn't push out. Both are very healthy vigorous birds now. The extra fluid was the result of poorly maintained incubator temps.
 
Great job! I've helped chicks before the 24 hr rule and it saved them. The two I particularly had in mind, zipped but were stuck. They had too much fluid in their shell and as they zipped it dried out and cemented them in the shell so they couldn't push out. Both are very healthy vigorous birds now. The extra fluid was the result of poorly maintained incubator temps.

I would love to know what caused the dry-out in my eggs this time. That's never happened before. They just lost way too much fluid, way too fast. I was actually having trouble keeping the incubator humidity down as low as is recommended, when I started out with so many eggs... and the two incidences where the AC went off both happened later in incubation, one right after mid-way when I noticed they'd lost too much moisture.

I think that's what happened to #6 - it just didn't have ENOUGH fluid left in its egg.
 

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