How to identify and act upon egg abnormalities?

Eggs come in different varieties and sizes, but only the perfect table egg sells at a premium. Quality requirements for the table egg can vary dependent on consumer preferences of the region of production, but a good quality egg needs to be clean, smooth and shiny. The shell must be intact, free of hairline cracks or other defects, which may cause the egg to break during cooking. The egg colour should be even and the egg content must be free of any inclusions such as blood or meat spots. From