The hens lay plenty of large, medium-brown eggs. How many eggs do they ... Breeding these two chickens together might create a new kind of very productive and cold-tolerant chicken.

“For chickens that lay brown eggs, a pigment protein called protoporphyrin ... Most of the brown eggs in the U.S. are produced by a type of chicken breed called Rhode Island Red or Plymouth ...

You probably wouldn’t notice this with a chicken who lays white eggs. But many chicken owners with birds who lay brown eggs have noticed egg coloration changes as their hens age. WASHED EGGS ...