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Length of egg fertility after no roosters are present

Could I have some feed back from you all on how long you separate a hen from roosters before being sure that she has no sperm left in her system. I don't want to wait longer than I have to but on the other hand I want to make sure I have waited long enough.

Monday, January 17th, 2022

I think three weeks is generally considered to be long enough to wait.

Joseph lawler
Tuesday, January 18th, 2022

I give it two weeks then start cracking her eggs open to check daily then add the new rooster once I get unfertilized eggs Generally separating for two weeks clears them but some can carry it for a lot longer.

Tuesday, January 18th, 2022

Hows cracking open eggs going to tell you they are fertile or not.

Wednesday, January 19th, 2022

You can see the little blastoderm on the egg yoke. It looks like a little eye.

Joseph lawler
Wednesday, January 19th, 2022

Can I ask why you need to make sure they are unferilized... surely if you arent putting them in an incubator it makes 0 difference? And Fertlized eggs are 100% safe to eat

Wednesday, January 19th, 2022

The reason I want to make sure the eggs are not fertile is because I am trying to breed a certain kind of hybrid hen with a certain breed of rooster and then I want to hatch those eggs. But a lot of my chickens are all together a good bit of the time. And of course the roosters don't just mount the hens I want them to and leave the other ones be. So I need to separate some hens until they're eggs are unfertile. And then I will put the correct rooster with them. I know that fertilized eggs are safe to eat.
Thanks everyone.

Thursday, January 20th, 2022

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