Mary Allen
Introduction: Blue Eggs and Their Origins
Blue eggs are a rare and fascinating sight in the world of eggs. They are laid by certain breeds of chickens, such as the Araucana, Ameraucana, and Easter Egger, which are known for their unique blue or green eggshells. These breeds originated from South America, where they were first domesticated by indigenous tribes. Today, blue eggs are a popular choice among backyard chicken keepers and egg enthusiasts.
The Science Behind the Color of Blue Eggs
The blue color of these eggs is caused by the deposition of a pigment called oocyanin, which is produced in the hen’s oviduct. The pigment is deposited on the outside of the eggshell as it travels through the oviduct, giving it a blue or green hue. The intensity of the color can vary depending on factors such as the breed of chicken, the age of the hen, and the diet she is fed. In general, the blue color tends to be more consistent and darker than the green color.