As a working dog a dog is called, which is regularly used for a specific task such as a drug sniffer dog or guide dog. In a broader sense, all breeds are referred to colloquially as, in their breeding criteria of use plays a major role. This applies for example to many hunting dog breeds.
The terms working dog and working dog be used in parallel, depending on the view.
Working dog within the meaning of the FCI are all dogs belonging to breeds for which a working trial is provided. This is recorded in the respective breed standard. There are several work trials, for example, use dog testing, inspection and rescue dog hunting test. In breeds for which a work test is intended, this condition for the award of an International Beauty Championship.