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Egg codes and quality
Ever wanted to know what the codes printed on your egg mean? Take a look at the diagram below to find out exactly what the words and numbers represent.
All Class A eggs have to be marked with a code showing the type of farming system, country of origin and production unit. In addition, British Lion eggs have a best-before date on the shell and carry the Lion logo.
Under European law there are two classes of egg quality: A & B.
This is the highest grade. They are naturally clean, fresh eggs, internally perfect with shells intact and the air sac not exceeding 6mm in depth. The yolk must not move away from the centre of the egg on rotation. Grade A eggs are sold as shell eggs.
These eggs are broken out and pasteurised.
These are for non-food use only and are used in products such as shampoo and soap.