You don't. Double yolks are like twins, they occur spontaneously.
You have no control over the number of yolks in an egg. This is all genetically determined. The hens who lay double yolked eggs have a flaw in the oviduct which allows more than one ovulation at a time. Double yolk eggs are not really all that rare and can be purchased at most major grocery stores in North America.
Double yolk eggs can be laid by any chicken breed, but it is more common in young hens that are just beginning to lay eggs. It is not specific to a particular breed.
Many birds can lay a double yolk egg. Chickens,ducks and turkeys all will occasionally lay a double yolk egg. Double yolk eggs will not hatch.
Yes, it can be painful for a chicken to lay an egg, especially if the egg is large or if the chicken is experiencing health issues.
The only chicken product a chicken lays that is white is an egg. What you probably are referring to is the Albumen or egg white. An egg consists of both a yolk and the albumen that surrounds that yolk. The yolk contains comparably large amounts of fats and carbohydrates. Egg whites contains large amount of proteins. Along with different kind of proteins, the egg white also contains glucose, minerals and vitamins. Minerals like calcium, phosphorus, copper, zinc, iron, magnesium and potassium are present in egg white in trace amounts. Eggs are nutritionally better for you when eaten whole (both yolk & albumen).
the egg because dinos lay eggs
A bad egg
Usually, a hen will lay an egg six months after it has hatched.
All chicken can lay egg but not a fertile egg.
No a male chicken cannot lay an egg.
The usual yolk colour ranges from light yellow to light orange. The breed of bird that lay the egg doesn't matter.
a person scared it and it got to egg-cited
White