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- #11
Chickenman MAN
Songster
It was fresh... literally just collected it from the coop that day and cleared out the eggs the previous day. It was pretty thin feeling though...Were the shell pieces a normal thickness?
Strange shapes can cause the shell to be weaker just because of the shape.
Do you know for sure it was a fresh egg? Eggs that got hidden for a while, and started to rot, are much more likely to explode. Even a very strong shell can explode if the inside is rotten.
Other than that, just letting the chickens have free-choice oyster shell usually works fine. A few rare chickens either won't eat the oyster shell or have some problem where they lay weak eggs anyway.