eli5: why do some chicken eggs have a lot of little bumps on the shell, whereas others can have few to none? does it happen with other bird eggs?

Question

eli5: why do some chicken eggs have a lot of little bumps on the shell, whereas others can have few to none? does it happen with other bird eggs?

In: 69

Answer 1

Usually the smaller eggs have healthier shells. I stopped buying the jumbo sized ones because the shells were very thin and I was often finding some blood inside.