Lack of sufficient fresh water supply may also cause smaller eggs.
My French Marans usually start with 54 grams, sometimes even 59. After a few weeks they reach the mid 60 and the following year most eggs have 65-75 grams.
My French Marans usually start with 54 grams, sometimes even 59. After a few weeks they reach the mid 60 and the following year most eggs have 65-75 grams.