Two yolk eggs are a fairly common occurrence. At all times, such eggs fell into the hands of man, but only recently, scientists have proved their absolute harmlessness. Such eggs can be eaten, like ordinary ones.
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The causes of the appearance of two yolks in one egg
It turns out that the formation of two yolks in one chicken egg can be triggered by illness or improper feeding and keeping the animal, as well as completely natural causes, such as the maturation of two cells at the same time. Together they pass through the reproductive system of the animal, surrounded by a single protein and shell.
It happens that the presence of two yolks in one egg is due to an oviduct disease. However, two yolks in this case is rather a positive surprise, in comparison with the possible other consequences. If the chicken has a diseased oviduct, it can produce a shell without yolk. Also yolks with growths. Deformed eggs, with a curved, mint, inverted shell, may stand out. Inside the egg there is blood, etc.
Experts say that most often eggs with two yolks are laid by young hens, whose age does not reach one year. This is especially true for highly productive laying hens.
It was found by observation that chickens from eggs with two yolks are pointless. They do not hatch at all or do not live long.