Every time we take a chicken egg from the fridge we can see that, in the shell, some numbers are printed whose meaning is not too clear. This numerical code, although it may go unnoticed, is really important to know if the eggs come from where we have been told. In addition, it should be noted that depending on the number that appears on the shell, the price of eggs varies considerably so it is important to know what we are buying. Today we are going to discover the meaning of this code so that we don’t get caught in the act of hare. Let’s get started!