how long can i get fertile eggs

[Jennings Gamefowl]

i have a 1 year old grey game hen in a pen with a 2 year old grey roo.. they have been in the pen for about 4 months, but i am getting rid of the roo today ... the hen has just started to lay eggs.... so how long will her eggs be fertile

 

[Jennings Gamefowl]

bump

 

[Cuban Longtails]

If your rooster was fertile and topping her regularly, you should be getting fertile eggs for about two weeks and then it starts dropping off, so the third to fourth week will be spotty on fertilization.