One common misconception about chickens is that they lay eggs every day.  In truth, their levels of production increase and decrease based on the weather.  

In the summer months when the days are long chickens tend to lay eggs every other day. 

 However, they lay fewer eggs in the fall when the days get shorter, and they go through their molt, replacing their old feathers with new ones.

In the winter, the chickens rest.  They are less active during the day, and their egg production drops too almost...