In the picture, this is just an ordinary sealed package. There is no cold storage in the ordinary package, and carbon dioxide is produced in the package, and the gas volume has changed. Because most bacteria breathe carbon dioxide and water. Bacteria multiply quickly without refrigeration. Sometimes there is no flatulence because your bag is broken. Crayfish has many horns and it is easy to produce air holes. To solve this problem

Low temperature storage is one point, and vacuum packaging is also suggested. Vacuum packaging will have certain benefits to inhibit the reproduction of most bacteria, but vacuum packaging will affect the taste and flavor of products. There's a trade-off.

Packaging with modified atmosphere packaging machine can effectively inhibit bacterial reproduction and keep the products fresh, quality, shape and color. Solve the problem of flatulence in crayfish packaging from many aspects