same as human being food, pet food conforms to strict standards to ensure the safety of pets. pet food must keep their original flavor and nutrition during maintenance, transportation and shelf life, which rely heavily on the pet food packages. in the keen competitions, prolonging pet food shelf life attracts more and more manufacturers and suppliers attentions. in this article, i will talk about the factors that affect pet food shelf life and related solutions to prolong shelf life in terms of pet food packaging.