1big next small

[0ld6oat]

I have a black Australorp. She lays an egg the exact same size as my Silver laced Wyandotte one day, the next will be a small size double yoke. What can cause this? Seems it should be the opposite to me. Curious as to the probable cause.

 

[sourland]

How old is she? Pullets at the beginning of their laying cycle can produce odd eggs as can aged birds about to take a break in their laying cycle.

 

[0ld6oat]

How old is she? Pullets at the beginning of their laying cycle can produce odd eggs as can aged birds about to take a break in their laying cycle.

She has been producing for about a month. I assumed her first egg would be small but they seem to alternate. I get about 2 large then 1 small that has double yoke.