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 is well developed. One symptom of poor breeding is a narrow chest with inadequate musculature between the front legs. This is a particular concern with the crossbred "Mangolina" (Mangalarga Marchador x Campolina) Visually, however, the breeding practice frequently results in animals that are heavy in the rear end and look weak and unbalanced in rostro-caudal plane when viewed for the animal’s full length. The underline of the Campolina should appear well fleshed but not overly rounded. There should be a good inverse symmetry in silhouette or side profile between the curvature of the underline and the fully outstretched neck and