Most egg oddities are just temporary glitches. But now and then you get one with a permanent issue.
It doesn't affect her health so I just eat the eggs and don't incubate them. :)
No, I just think that except for her calcium problem she's just an overall good hen.
It's really a shame I can't breed her because she's got a lot of plusses -- good size to her eggs, reasonably reliable layer, well-behaved in the flock, remarkably good lacing for a hatchery bird, etc. If her...
Defects in the shell don't compromise the eating quality unless they're the sort of defects that would allow bacteria to penetrate.
Popcorn's eggs are always bumpy and sometimes wrinkled, but I use them just like I use any other egg of like size and freshness. :)