Yeah I've only bought them once and it was unintentional. Living in a place where I didn't fully grasp thr language, I thought I was having the luckiest egg day ever until I translated the carton!
How do they know which eggs will be double yolk? I've never heard of that before, just occasionally get them in a normal carton of eggs.
Just regular large eggs. Are extra large more likely to be double yolked? Or are there eggs somehow made to be double-yolked on purpose?
My mother once bought me a box of 15 eggs from a little shop on the side of a farm.
All 15 eggs were double yolk.
I dont know the odds of that happening and how it happens.
I told my mother. She didnt sound surprised at all.
It's a genetic trait, so if they kept breeding a twin-maker hen for efficiency alone (if you raise chicks, you get 2 for 1 effectively), that could mean that most of their stock are now laying dual yolks.
Are there nutritional differences in said dual yolk eggs or is one truly getting double yolk nutrition?
The two yolks together are like 30-50% larger than one regular one, so the nutrition facts are slightly changed since the amount of egg white is reduced.
Since most calories actually come from the yolk, I'd say it should be noticeable to some degree, if you really measure it.
(This answer was brought to you by my wife, who happens to be a nutritionist).
I read a newspaper article that a woman cracked 4 double Yolkers into a pan in a row and apparently the chances were like 1 in a trillion