WHAT DOES PURINA PRO PLAN CANNED DOG FOOD MEAN?

My Pet dog retains sneezing and reverse sneezing. Should I be apprehensive? We tried out some new Pet food by farmer's Puppy foodPoncho is three years outdated! He is energetic and smart. He has worked with our trainers which is wanting to master instructions!.This allows you to fill up, if needed, or to purchase a large bag for your small Pet dog