Campolina Holsteiner, and American Saddle Horse. Bloodlines from the Mangalarga Marchador, were also added to refine the Campolina. The herdbook was closed in 1934 and the breed standard first defined. In 1938, the Professional Consortium of Campolina Horse Breeders was formed to formally organize the breed, and in 1951 the organization was renamed to the Campolina Breeders Association, the breed standards were formally adopted, with the organization based in Belo Horizonte. There were further updates to the breed standard in 1975 and 1993. There are currently around 85,000 registered Campolina horses, with slightly over 7,300 registered breeders. Around 4,300 mares were
Campolina retilineo or straight region of the nasal bones as in image presented below. In the new ideal, male nasal bones are prominent, retain the height of the earlier ideals but are now expected to generate a smooth 'curved and continuous' appearance (see The desired head shape of a Campolina). The ideal for the profile of the female head is more dynamic with a narrowing between the nasal bones to refine the lower face. The curvature of the nasal bones should appear to extend naturally from the intersection of the orbit and maxillary and lead gently into the muzzle. Both male