1. Jan 28, 2014 #1
   

   Weber Girls Out Of The Brooder

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   Jan 19, 2014

   So I've read that hens can be fertile 3-4 weeks after being with a rooster. What is the longest a hen of yours has been fertile with the absence of a rooster? Can eggs a day or so after 4 weeks be fertile?

    

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3. Jan 29, 2014 #2
   

   Egghead_Jr Overrun With Chickens

   

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   Oct 16, 2010

   NEK, VT

   4 weeks would be really pushing the envelope but I suppose it's possible. 2 weeks has high confidence and 3 weeks would be spotty- some hens would have fertile eggs and others not.
   
   You can always crack one open and see if it's fertile. Or start incubating and see if they start to develop.
   
   https://www.backyardchickens.com/t/16008/how-to-tell-a-fertile-vs-infertile-egg-pictures

    

   Last edited: Jan 29, 2014

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