Description
Eggs with very thin shells, or no shell at all around the shell membrane, look unattractive and are highly susceptible to damage.The egg in the photograph has been placed over a bright light. This is the way it would look to a candling operator.
Incidence
The incidence of these eggs varies from about 0.5 to 6%. They are commonly produced by pullets coming into lay, particularly by birds that have matured early. Some birds continue to lay this type of egg.