double yolk eggs


In the Brooder
9 Years
Nov 18, 2010
I think that I have read where double yolk eggs will not hatch. I have one jumbo brown hen that seems to be laying a good many of these large eggs. I would think that by saving this hens single yolk eggs for hatching that I would be improving my chances of getting more double yolk producers also. I would think that you would also want to keep some males out of this hen also. What are your thoughts?
99.9% of the time you're not going to get twins, you may have one hatch out, but I don't hatch double yolkers. I'd rather stick to just incubating regular old eggs.
A double yolk generally means that two eggs traveled down the oviduct at one time so they received the same shell or while one egg was delayed in the oviduct a second one joined it. Other factors can cause double yolkers such as stress.

It is possible to get twins but VERY rare. I had one occurance so far. I believe it was just luck.
To answer your question, yes, I think hatching the single-yolk eggs from this hen would increase the chances of getting more birds that lay double-yolk eggs. I don't know if males or females would pass this gene on to their offspring, but it wouldn't hurt to keep a couple males from her as well.

And you're right, double-yolk eggs generally won't hatch.
I believe the same hen has laid 3 double yolk eggs in a row. Two were laid in the pen until yesterday when I moved all 9 of my jumbo browns into an 8x10 old green house. She could have been stressed, but all seemed so happy to be out scratching in the dirt and hiding in the hay. Their eggs were a little harder to find though. I want to watch and observe them on the ground for a week or so and put what I think is my best two trios together for breeding.

Do you feel that these hens that often lay double yolk eggs may have a shorter laying cycle or may not live as long?
first question: how many chinease pianted "button" quail hens, and how many japanese courtnix courtnix hens do you need per roo, as here one to two hens is fine, but with chickens i was told at least three hens alwas, and figured quail the same...?

does anyone know if while on subject of double yolkers, if quail carry parthenogenic traits elevated in consistent double yolkers (i want to do a collage theses on it, as it was recently re pblished with acceptance of it occuring in birds, and notably traceable to doubleyolker chickens)??? yes, by the way, i am a mad scientist!!!

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