Why Is My Egg Shell Rough

Roughness on an eggshell is usually the result of a calcium or calcium-to-phosphorus imbalance. Without phosphorus, a hen isn’t able to absorb and metabolize the calcium available to her. … Typically, rough spots that occur once in a while from a hen or two are nothing to worry about.

Are eggs with rough shells safe to eat?

The deposits can normally be brushed off with your fingernail, although sometimes the shell will come away with them. An egg with rough patches or bumps is okay to eat.

When should you not eat an egg?

The longer an egg has been around, the more the liquid inside the egg evaporates, leaving air pockets to take its place, making the egg “stand up” and almost float. If the egg floats, it’s bad. If your egg has enough air to float, it’s not good to eat anymore.