There are 3 main ways to package beef jerky. The first is using a vacuum to pull out all the oxygen from the packaging to preserve the beef jerky while on the shelf. The second way to package beef jerky is to nitrogen or gas flush to remove oxygen. The last way is to add an oxygen absorber to the pouch.  Choosing which method is best for your product is key to insuring freshness for all of your customers to enjoy your beef jerky.