Does type of nail polish matter? My daughter would get a kick out of using pink nail polish on the crack. It's pretty spiderweby though. I don't have liquid skin bandage though - I could get some today though. I'm going to walmart and could run in and grab some....
Just to understand the logic behind sealing a crack though, especially with chemicals, what are the risks of using chemicals to seal the cracks, vs. leaving it slightly cracked.
Primarily you want to limit moisture loss. A cracked egg shell has only membrane to contain moisture and prevent incursion of bacteria.
I've heard of people successfully using nail polish but it never worked for me. When I used it, I used clear. I've used bees wax too.
The only eggs I've repaired that hatched were with liquid skin. It also has an antibacterial agent in it.
The last one I saved was about 70% covered with spiderweb cracks. I didn't expect it to do anything and I thought it would limit the chick's ability to break free. It did just fine.
With more than a single crack, I wouldn't use nail polish. Late in the incubation, the last couple days, what you seal it with won't matter as much as when the embryo's veins are drawing oxygen and calcium from the membrane.
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