The origins of all training, such as Schutzhund or IPO, are based in Germany. These training tests were developed as a primary method of producing top level German Shepherd Dogs. They were geared to identify suitability of individual dogs for work in several formats
If you are wondering why some of the previous years' top placing dogs can't be found in the current year's top placings, it MAY be because they have been placed in the "T" Category listing at the BOTTOM of their Class!!
If you read the labels on the back of commercially-prepared dog food, at first glance it might appear as if they are well-fortified with all the nutrients a dog needs to stay healthy. But if you read a little more closely, you will soon realize that this kind of food is heavily laced with preservatives, additives and other kinds of