A quick check of your dog's leavings can flag up health problems early. Raw food: light in colour, small balls of poop, almost odourless. Kibble food: chocolate coloured, large quantities ...

Dr Alessandra Leri, a chemistry professor at Marymount Manhattan, told DailyMail.com that she got the idea for the study after seeing how much dog-poop covered the neighborhood she lives and works in.

But seriously, how often do tigers escape from the zoo? 3. Size matters. Simply put, big dogs take big dumps. So if the poop is the size of the chocolate-covered cherries your grandmother used to give ...