A Chinese farmer is hopeful one of her hens can smash the world record for an egg.Zhao Li from Feixiang County, northern China's Hebei Province was given quite a surprise when she discovered the egg, which measures an eye-watering 9cm long and 6.5cm wide with a circumference of 17cm.The whopper also tips the scales at 420 grams, with an average egg weighing just 50g.Zhao said "I've been raising the chickens for a year, I fed the hens with nothing special; just chaff, melon skin and grass."