In the United States, eggs are usually packed within a week of being laid, but they can legally be sold for 30 days after that packing date. This is called the Julian date, and it's shown by three numbers that represent consecutive days of the year - starting with 001 for January 1.
"If you have white meats like chicken or pork you need to use lighter woods for smoking. White meats have a more subtle flavor than red meats such as beef or lamb. Choosing lighter woods, therefore, means you're not overpowering the qualities of the meat itself, but complementing it with an appropriately delicate wood-flavor."