If you're not at least a little nervous when you're candling them, I don't think you're doing them right.![]()
Heaven forbid that an accident should happen while handling them, but if it does, there's lots of good info on here for how to try to patch a crack - they can still hatch. I need to get some canning wax, just in case...
Yeah, I saw some of those threads.... I never would've thought! I guess I need to get some canning wax too, or get out my beeswax candles....
I gave up candling my broody hens eggs after 3 attempts, days 5, 7 & 9..
They were blue, green and brown eggs. I couldnt tell what the heck I was seeing so I gave up.
After that I just did a sniff test every other day until day 18 and then just left them alone.
All 11 hatched and lived.
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LOL! I might as well give it up, I can't tell much myself! As long as they don't start stinking

Of my eggs that I have incubating now, most I can not see through very well but I can see that the veins are still healthy and there is no blood line so I would leave them and see what happens! I know you don't want to leave them in there because they could explode if they are infertile and they will spoil, I guess just see if they begin to create an odor ? Wish I could be more help
Most of mine, I couldn't even see veins! I took half out at day 14, clears, yolks, quitters... If they have veins, they should be good - yeah, I'm checking for odors myself, then I'll know for certain one needs to go!