Why do we get a Double Yolk Egg?

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Double Yolk Egg

 

Double Yolk Egg

To figure out the Double Yolk Eggs I was ask by a reader. The following information is what I have been able to find on-line and compile for you. Although the double yolk egg is not seen much in the public it is not a very uncommon sight on the farm or by the chicken grower who sells eggs for a living.

Young hens have more of a tenancy to lay double yolk eggs. Older hens can but do not do so as much.

You will find them anywhere up to 12 weeks or so after young hens start laying.
Breed does not have anything to do with the double yolk.
If two yolks are close and the older one is not moved down the oviduct, they both can be encased in the same shell.




Double Yolk appear when ovulation occurs too rapidly, or when one yolk somehow gets “lost” and is joined by the next yolk. Double yolks may be by a pullet whose productive cycle is not yet well synchronized. They’re occasionally laid by a heavy-breed hen, often as an inherited trait.

This can happen at any age, but more likely in a young hens first few weeks of egg cycling.
When year old hens stop laying and resume a couple months later, you’ll see more when she starts up, then less when she is re-established.

Double Yolk Egg Nest

Most grocery stores I know of don’t sell double yolk eggs. Most farmers and chicken keepers do not send the double yolk egg to the stores as they know they will be rejectred.
They are considered an irregularity.
They are spotted by their odd shape and by candling by the grader and put aside and sold to select customers.
They are fairly common at farmer’s markets, where all the eggs in a flat are double yolk.
It is a great fun thing for the farmer to do.

You can usually tell the double yolk egg by looking at the outside of the egg because they are either taller or overall bigger and wider.
I am not sure if it is a problem for the hen to lay these or not. They are fairly larger than an average egg.

It is better not to waste your time on double yolk eggs for hatching. They do not develop
Just eat them or give them away for fun.

They are not as rare as people may think.

One of our readers ask if there was a breed of hen that laid a double yolk egg. She said her mother got double yolk eggs fairly often from a farmer friend who raises chickens. These are leftover from the regulars that they can’t sell to the Grocery stores.

As stated it will not develop, it is not twins!

The nutritional value of the egg white, which is an important food supply for the embryo is insufficient for the two embryos.

Leave us a comment on how you like your Double Yolk Egg! 🙂

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