Laying hens need oyster shells in their diet; offering eggshells back to them does not provide the same benefits to health and shell strength.
Use Oyster Shells to Give Your Chickens Stronger EggshellsDecember 4, 2018
Egg Oddities: A Guide To Irregular EggsDecember 1, 2017
Do you find eggs that are unusually large? Eggs with two yolks? Eggs with odd shells, thin shells or no shells? Our guide to irregular eggs will explain.