Dog crossbreed to by a type (not breed) name, such as Eurohounds (racing sled dogs) or Lurchers (hunting dogs). These dogs could be considered only as cross breeds, not as designer animals, since appearance is not the main reason for them to be bred. An exception to this is the Labradoodle, which although having a Portmanteau name, is often used as a Guide or Assistance dog as well as being popular family dogs. Although designer dogs are often selected by owners for their novelty, reputable breeders sometimes use crossbreeding in an attempt to reduce the incidence of certain hereditary problems found in
Dog crossbreed attempt to create a breed, narrowing the gene pool. The best way to continue taking advantage of crossbreed vigor is from the breeding of dogs with genetic diversity. With the long-time popularity of the label cockapoo, used since at least 1960 and constructed by combining elements of its two contributing breeds (Cocker Spaniel/Poodle), it has become extremely common to find crossbred dogs given labels likewise invented by portmanteau. The tendency for using such labels in a jocular way dates back at least to Queen Elizabeth II of the United Kingdom's dorgis (Dachshund/Corgi). None of these have become recognised by any