The most common sentence: for a long time, double yellow eggs were regarded as the black sheep of the egg industry. In the past, eggs had to go through a production process called "light inspection", and workers carefully examined internal defects under the light. Double yellow eggs are usually picked at this time and will not be sold with normal eggs.
Perhaps because people's resistance to cholesterol has decreased, it is becoming the new favorite of Ran Ran in the egg industry (after all, double yellow eggs can provide extra protein); Or it is related to the high enthusiasm of small farms to obtain agricultural products. "Soder Eggs"-A farm in Pennsylvania packaged double yellow eggs separately and used them as a selling point.
Extended data:
Formation of double yellow eggs
It originated from two compact and rapid ovulations of hens (called oocytes), which caused the first egg to break into the fallopian tube before giving way, thus producing two yellow eggshells. Double yellow eggs often appear in chicks because their reproductive system is not yet mature and the school time system is not yet perfect.
But this may also be the genetic feature of some heavy chickens (such as pale yellow Opington chicken). Naturally, three yellow eggs and four yellow eggs also exist, although few; The highest number of yellow eggs in a single egg in the world is 9. In addition, a British woman once knocked out 29 shocking double yellow eggs from a bag of eggs at 20 1 1.
Although double yellow eggs are rare, they are absolutely healthy and pollution-free. They can still be made into delicious scrambled eggs or fried eggs, which are no different from ordinary eggs in most menus. However, due to the serious imbalance of yolk ratio, it can not be counted as two complete eggs, so the formula may need to be changed accordingly when baking.