I've had a stressed duck lay eggs with only a membrane and no shell twice.
I've also had a few thin shells
Most of my eleven hens lay normal eggs, so I am not worried about a calcium problem.
Most of the grit that they consume is crushed limestone
I've also had a few thin shells
Most of my eleven hens lay normal eggs, so I am not worried about a calcium problem.
Most of the grit that they consume is crushed limestone