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.
Also dog digestion enzymes in the stomach are different from yours to be able to function in this acid. The canine digestive tract is much shorter (20-80 cm compared to 1.5 m for you) so the food stays for a much shorter time in your dog's system.Average passing time is only 24-48 hours, whereas it can take you up to three days. The faster dog digestion also contributes to his resistance to bacteria.o get your dog into the best shape he can possible be in, you need to understand his needs. Dogs may be a best man's friend. But here is the sad truth: humans can live up to 80 years and dogs barely 15! Humans have grown taller and live longer because of better health care, better hygiene and better eating patterns.