World Biggest chicken egg

     The image given below is the egg laid by an ordinary hen which is 6.3 centimeters wide and 9.2 cm long and weighs 201 grams three times heavier than an ordinary egg.

   The  Biggest chicken egg was laid by a hen in northeast China's Heilongjiang Province.It looks like any other chicken egg, except that its shell is a bit rough. 

 Photo: The Biggest chicken egg and an ordinary chicken egg