The ideal poo is a 'type 3' or 'type 4' – cracked or smooth sausage – delivered once per day. Are you a three-times a day kind of person, or is a trip to the lavatory a more rare and special ...

With more than 700 animals living at the Virginia Zoo in Norfolk, and more than 400,000 visitors each year, there's plenty of that odorous product left behind — 600 pounds a day to be exact.