It's a question that pet owners all over the world have asked at one point or another – why does my German shepherd puppy eat his own poop? While there isn't a single, definitive answer to this question, there are a few theories that could explain why your pup might be indulging in this strange behavior. In this blog post, we will take a look at some of the most common reasons why puppies might start eating their own feces, and we will provide tips on how to stop them from doing so.