answering your questions about those tricky blue genetics. Blue chickens are not necessarily rare but are less common than ...

Biliverdin creates a blue or green hue, as seen in the eggs produced by Araucanas and Ameraucanas. Egg color is a trait firmly rooted in a chicken’s genetic makeup. The gene Oocyan, present in ...

AgriLife Extension experts explain how genetics and other factors can affect an egg's color, shape and shading.