ARE MY EGGS FERTILE

Old Man Tom

Songster
May 31, 2016
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So I have hens and I have a rooster with my hens. One rooster with six hens. My hens are laying eggs. I want to hatch eggs. Before I put them in the incubator I would like to know they are fertile. I have seen the pictures of fertile egg with the bulls-eye. Is this what I am looking for? I have cracked 4 eggs and no bulls-eye. Does the bull-eye show on the first day or do I need to wait longer to check for fertility? I do not want to put eggs in the incubator that are not fertile. How can know for sure? Marans eggs very dark, would be hard to candle Do I just put them in the incubator and wait 7 days and candle? Tom
 

anniep

Songster
9 Years
Jan 24, 2011
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I have been taking photos of my yolks and posting here. What I thought was not a bulls eye, they say is so maybe post a picture and see what the gang here thinks??
 

JaeG

Crossing the Road
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I'd wait for 24 hours or so before cracking them open as it does take a little while to develop a definite bullseye.
 

LunaPhase

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Jan 3, 2018
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Some breeders wait a number of days before 'candling' the eggs. Basically, dark room plus a really strong flashlight. I'd think somewhere between day 7 to day 10.
 

lazy gardener

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Some breeders wait a number of days before 'candling' the eggs. Basically, dark room plus a really strong flashlight. I'd think somewhere between day 7 to day 10.

That's if they are being incubated. OP is not yet incubating his eggs.

@Old Man Tom, you should be able to tell if the egg is fertile by looking at either the blastodisc (not fertile, looks more like a large white grain of salt imbedded in the yolk) or the blastoderm (more of a donut shape, flatter in appearance.) When you crack the egg into a bowl, you may need to flip the yolk over with a spoon to find the spot. (it may be on the bottom of the yolk.)
 

Old Man Tom

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May 31, 2016
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That's if they are being incubated. OP is not yet incubating his eggs.

@Old Man Tom, you should be able to tell if the egg is fertile by looking at either the blastodisc (not fertile, looks more like a large white grain of salt imbedded in the yolk) or the blastoderm (more of a donut shape, flatter in appearance.) When you crack the egg into a bowl, you may need to flip the yolk over with a spoon to find the spot. (it may be on the bottom of the yolk.)
Thank you so much, very good answer. We will be flipping eggs and making Omlets! TOM
 

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