You will lose a pound if you burn 3500 more calories than you take in. This is one of the bottom lines in weight loss but whether or not you are actually burning 3500 calories varies from person to person with the same activity.
A dog can survive without eating for 14 days, procided day wouldn't be in good shape and health.
--A dog can survive without eating for 14 days, provided they were in good shape and health. --One vet says: A dog can live seven days without food, as long as they have water to drink. After that, vital organs begin to fail. A smaller dog might not last that long. A large dog, especially if it has a some body fat, would last longer.