The Posavac horse, also known as the Posavian, Croatian Posavina horse or Croatian Posavian (Croatian: Hrvatski posavac) is a cold-blooded breed of medium-sized draught horse with a high capacity for weight pulling. Throughout its history, the breed has been popular for pulling wagons. It is also used for forestry, agricultural and other work.
The Posavina horse ranges from 140 to 150 centimetres (13.3 to 14.3 hands) in height and weighs 500–600 kilograms (1,100–1,300 lb). It is smaller than two other Croatian cold-blooded horse breeds, the Međimurje horse (155–165 cm) and Croatian Coldblood (150–160 cm). The Posavina horse may be bay or seal brown, less often black or chestnut; other colours are much more rare.
The head of a Posavian is relatively small, the neck short and muscular, the shoulder deep and broad, the chest wide and deep, and the legs are short and strong, with broad hooves. The breed is known for its easy-going temperament; it is mild and patient, obedient and willing to work hard.
The breed was developed in Posavina, a region alongside the Sava river in Croatia. It was based on a local Slavonian-Posavian horse breed called bušak (bushak), whose mares were crossbred to quality stallions of other breeds including Arabian, Nonius, Noriker and Percheron.
The majority of Posavina horses are in Croatia, but the breed is also present in Bosnia- Herzegovina and Slovenia.
The registered population of Posavina horses in Croatia was estimated at 5131 individuals in 2013., so the breed is considered endangered (FAO classification No. II). The total population in Croatia was reported to DAD-IS as 4500–5500 in 2012. In Slovenia the number was reported as 1260 in 2011.