鸡蛋拾趣

1.Wild jungle fowl were domesticated more than 3,000years ago in China,and eggs were produced since then. 中国早在3000多年前就把野禽驯化为家禽,蛋的生产也就从那时候开始。 2.A hen lays 150 to 250 eggs a year. 一只母鸡一年下150到250只蛋。 3.Yolk colour has nothing to do with the nutritivevalue of the egg.蛋黄的颜色和鸡蛋的营养价值无关。