When parts of the egg shell are translucent, it appears mottled or glassy. Such shells can also be thin and fragile.
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 is variable. Such eggs are not usually downgraded unless the condition is very obvious or the shells are thin.
Cause |
Control |
Failure of the egg shell to dry out quickly | |
High humidity in the layer shed |
The shed must be well ventilated. |
Crowding |
Avoid overstocking. |
Disease |
Make sure that layer stock come from parent stock vaccinated |