The farm produces more than 200,000 white eggs a day. Some breeds such as White Leghorn chickens lay eggs with white shells while other breeds such as Rhode Island Reds lay eggs with brown shells.

Most of the brown eggs in the U.S. are produced by a type of chicken breed called Rhode Island Red or Plymouth Rock, while many of the white eggs are made by White Leghorn chickens, he says ...

including a plaque rewarding the best White Leghorn chickens at the Northamptonshire Egg Laying Trials. Also on display: a collection of Monopoly boards, including an early 1920 version called ...

Generally laid by white birds with white earlobes Common U.S. breed is White Leghorn chickens “For chickens that lay brown eggs, a pigment protein called protoporphyrin is added as the eggshell ...