Ljutomer Trotter — a compact, light, harmoniously built breed of trotting horses of the Central European type. Height at withers of stallions 148–158 cm (optimally 152–156), mares 146–156 cm. Live weight 420–520 kg. Oblique body length 148–160 cm, chest girth 170–185 cm, cannon bone circumference 18.0–20.5 cm. Format index ≈1.01–1.04 (square or slightly elongated format), bone index 12.0–13.2 %. Chest depth 68–74 % of height at withers. Head small, dry, expressive with a straight or slightly concave profile, wide forehead and relatively short broad muzzle. Neck of medium length, muscular, set high with a convex topline. Body compact, deep, with a short strong back, wide muscular loin and slightly sloping, often bifurcated croup. Limbs dry, strong, with clear tendons and well-defined joints. Acceptable colors: bay, dark bay, black, chestnut (including dark chestnut and golden chestnut), liver chestnut. Small white markings on the head and legs are allowed; pinto colors and blue eyes are disqualified. Distinguished from the basic domestic horse by a lighter, drier and more athletic build, smaller stature compared to the Orlov, American Standardbred and French trotters.