Sometimes, dogs refuse food. It may be due to a medical or behavioral reason. Whatever the case may be, dog owners who realize their pet did not touch today’s meal will feel alarmed, especially when they have a healthy eater on their hands.
If you can’t trick your dog to eat anything, you should drop by the vet’s office. As for the most significant question we all have, Dr. Louis Budik of Transit Valley Animal Hospital has an answer.
According to the vet, healthy dogs and cats can last "three, four, five days without eating, many even longer than that.