Post powercut candling question

Waruwa

In the Brooder
Apr 25, 2024
2
13
21
We set eggs on the 18th, but on the 20th had a 25-hour powercut. When the power went off we covered the incubator with half a dozen blankets, but when it became evident that it was going to be more than a few minutes went online to find out what to do and, based on advice from here and the Brinsea article, opened the incubator, took out the bottom bin with the eggs, and put it into the cold mudroom to await the electricity in suspended development. That was about an hour after the power turned off.

When the electricity came back the next day we warmed up the eggs for half an hour in the main part of the house, then turned on the incubator (it started with a reading of about ~18 C, and took about an hour to get back to its 38 standard).

Yesterday we candled a few, and found veins and, in one, a little beating heart (yay!). Does this mean that the powercut did not harm them and we will still have a hatch?

Today I candled more, and found veins in nearly all. Most of the veins don't look quite like the pictures, though-- rather than a network of veins coming out of a spot-spider like, most of the vein networks have the cobwebby veins (all connected) descending from the air sac. In some eggs we could see a spot, too, that veins led to; in some we couldn't find the spot.

Also the bottom half of the eggs was clear -- veins were generally at the top, again often as if they were descending like a lacy collar from the air sac.

Is this normal, because that is where the oxygen comes from, or does this mean there is something wrong? Is the empty bottom half of the egg also normal, or does that mean that the lower part of the incubator is too hot or too cold?

Incubator is the no-brand Chinese style with the yellow lid on a clear bin, which holds eggs vertical in yellow holders and rocks them side to side every two hours. This is the first incubation in it, and also our first try, and we have 56 eggs in there.
 
Wow! That would be very impressive if the eggs did survive. Could you post some pictures? I’m trying to visualize what you’re describing but am having some trouble. The veins will grow throughout the eggs as the embryo develops. The veins start on the yolk, and slowly spread like vines around the egg. So yes, there should be some empty space, but it would be beneficial to have pictures to better understand what you’re asking. Best of luck to you! Keep me updated.
 

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