There is no smell. I have 3 Buff orpington eggs, and 3 welsummer eggs that look like this when candled. The other 4 eggs of each are developing fine. They look much the same as the one pictured above when candled, but I could see the veining faintly.
I have a few eggs that have shells that look sort of "porous". 2 of these eggs I have noticed are developing a bit darker color on the shells at the top of the egg. These are also a few of the eggs that I have been unable to really see development due to the darkness of the shell. Does the...