A double yolk occurs when a hen's body releases more than one egg during her daily ovulation cycle. And, just like humans, it's possible for two — or more — eggs to make their way from the ovary and through the reproductive tract. The overall odds of a hen laying a double yolk are one in 1,000.
As the hand packing station runs all day long, jumbo cartons continue to be filled with super jumbos. These eggs usually contain 50% double yolks. As these cartons are filled, they all go into the same case. So, even though they are rare, double yolk eggs often wind up in the same cartons.
On that basis we can say that while chance of finding one double-yolk egg may be 1/1000, the chance of finding a second is considerably higher - more like 1/100.
According to the American Egg Board, "Double-yolked eggs are often produced by young hens whose egg production cycles are not yet completely synchronized. They're often produced too, by hens that are old enough to produce extra large-sized eggs. Genetics are also a factor.
Whether you have small, medium, extra-large or jumbo eggs in your carton, if the recipe says one egg, any one will work. Two large eggs: If your recipe requires two large eggs, you can substitute two eggs of either medium, extra-large or jumbo size.
The egg has two main parts, the white and the yolk; increasing the egg size doesn't actually make the yolk (the most nutritious part) any bigger. It's usually the white that makes up for the extra space inside the shell.
The good news is, when you see those twin yolks floating around in a bowl, you don't have to throw them away. Double-yolk eggs are perfectly safe to eat, although they likely won't add any extra nutrition to your meal.
Why don't they sell double yolk eggs? Many poultry farms remove double yolk eggs and don't sell them because health-conscious consumers are becoming more averse to cholesterol-packed foods. As a result, some farms actually package double yolk eggs and sell them separately.
A single-yolked egg is packed with protein and has 13 essential vitamins and minerals. So, it would be safe to assume that a double-yolked egg means double the nutrition, right? Not entirely. In most cases, double-yolked eggs contain yolks that are smaller in size when compared to a fully-formed single yolk.
For larger quantities, follow these substitution guidelines: 3 large eggs are equivalent to: 3 medium eggs, 3 extra-large eggs, 2 jumbo eggs. 4 large eggs are equivalent to: 5 medium eggs, 4 extra-large eggs, 3 jumbo eggs.
And as rare as double-yolk eggs are, it's possible to have triple or quadruple-yolk eggs, and the likelihood of each additional yolk becomes exponentially smaller. The Daily Mail says that according to the British Egg Information Service, the chances of getting a triple-yolk egg are 1 in 25 million.
The odds of a double-yolk are according to the British Egg Information Service about 1/1000. A triple-yolker explodes to one in 25 million.
Medium eggs must be a minimum of 21 ounces per dozen. Large eggs must be a minimum of 24 ounces per dozen. Extra-large eggs must be a minimum of 27 ounces per dozen. Jumbo eggs must be a minimum of 30 ounces per dozen.
The first clue that an egg could have two yolks is that it will be much larger than the other eggs and will also be heavier. Most medium to large standard eggs will weigh between 1.7–2.1oz (48-59gm) each. If your egg weighs more than that, a double yolk is a possibility. You can also candle your egg.
Even more rare is an egg with more than 2 yolks. Triple yolkers occur from time to time, and in fact, it's possible to get more yolks in an egg. The most yolks ever found in an egg was 11.
Double yolk eggs typically come from younger pullets (hens) as they begin to lay. Breeds most likely to give you a double yolker include Leghorns and Rhode Island Reds.
According to the British Egg Information Service, one in every thousand eggs on average is a double-yolker while the odds of discovering a quadruple-yolker are 11 billion to one.
Setting aside the conspiracy theory implied in the video's title, it's still a pretty unique feat. According to Mashable, getting 12 double-yolk eggs in a row is super unlikely. The odds of getting just one double-yolked egg is one in 1,000, six in a row is one in a quintillion.
By themselves, double yolks are fairly rare – you might find them in 1 of every 1,000 eggs. These eggs typically come from our younger hens who are still learning how to lay eggs.
B.C. hen lays egg-within-an-egg
The answer is a process known as counter-peristalsis contraction. It occurs when a formed egg begins traveling backwards in a hen's oviduct and becomes embedded inside a second egg in the process of developing. The second egg forms around the first, hence the large size.
Yes. It is a rare occurrence. When two chicks hatch from the same egg, the egg usually has two yolks. Usually, one embryo out competes the other and only one chick survives to hatch.
As the largest type of chicken egg, jumbo eggs contain more nutrients than their smaller counterparts. Each jumbo egg contains only 90 calories, and also provides a source of essential nutrients, including vitamins and minerals important for good health.
Now, if you're simply scrambling some eggs, the size probably won't make a significant difference in your overall enjoyment of the dish. Using two extra-large or jumbo eggs might give you a slightly bigger omelette on average, but you also just might get unlucky and use two smaller eggs from a heavier carton.
As a general rule of thumb, an egg's weight is roughly 11 percent due to its shell, 31 percent from its yolk, and 58 percent from the white. This means that egg white will increase proportionally with the egg's size, and so the jumbo eggs are still the cheapest in unit cost.