When eggs are taken from the farm house to the wholesaler and then to the retail outlet, they must travel in a vehicle equipped with special features. Eggs must stay cold therefore producers ship eggs in refrigerated trucks. Before automobiles, farmers used to transport eggs by horse and buggy or by hand in baskets. When in the grocery store, there are some things you can do to make sure that you are buying fresh eggs. Make sure that you check the expiration date or the date of packing on the side of the carton.
Eggs stay high quality for three to four weeks after pack date.
Hard-cooked eggs may be kept in the refrigerator up to one week. Checking the label on eggs is also a good idea. All eggs must carry the grade of the egg and the word eggs. Once eggs are brought home from the supermarket, there are a few things that should be done to keep them in good condition. Eggs should be stored in their cartons in the refrigerator.