The aim of this study was to evaluate the conformation of stallions of the breeds American Quarter Horse (AQH), American Paint Horse (APH), Appaloosa (Appa), the Lipizzaner horse (LH) and the Old Kladruby horse (OKH). Representatives of these breeds are characterized as the descendants of horses on the base of the Arab-Berber blood. Twenty-four body dimensions were measured. AQH, APH and Appa significantly differ from LK and OKH in 23 of the 24 observed effects. To be precise, they are as follows: smaller wither height as measured by stick, lower at the tail-set, longer neck, narrower chest, longer oblique body length, wider front pelvis length, longer pelvis bones, longer femur bones, shorter hind cannons. A significant difference was found in the length of the humerus, as the humerus of OKH is longer by 2.34 cm than that of APH. LH differs significantly from Appa and OKH in the tape length of its head.