White eggs and brown eggs being moved on conveyor belts in factory. Laying hens can produce 300 eggs in a year. White-feathered chickens with white ear lobes lay white eggs and red-feathered ones with red ear lobes lay brown egg. Many people think brown eggs are better than white therefore they get a higher price and that is why they are being separated in this image. However, the eggs have been shown to have the same nutritional value.