One of the traditional uses of the Belgian Shepherd was guarding the flock. Few health surveys of the individual Belgian Shepherd varieties have been conducted. See Health section of Belgian Shepherd for more information. The UK Kennel Club conducted a 2004 health survey of all Belgian Shepherd varieties combined. This makes the Belgian shepherd extremely useful for protection purposes. The Belgian Shepherd is a medium- to large-sized dog. In certain breeds, such as the Belgian Shepherd, the incidence may be much higher.