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What makes some chicken eggs blue?
4yr
Five breeds of chickens are responsible for laying blue eggs: Araucanas, Ameraucanas, Lushi and D...
Five breeds of chickens are responsible for laying blue eggs: Araucanas, Ameraucanas, Lushi and Dongxiang (not popular in America) and Cream Legbars. A study found that a gene called "oocyan" is re...