They tend to be thin-skinned, long-legged, slim in build and more physically refined than other types, but with great endurance.
[1] Oriental horses, sometimes referred to as hot-blooded breeds, have a level of intelligence that allows them to be athletic, versatile, and learn quickly.
[3] However, modern genetic evidence now points at a single domestication event for a limited number of stallions, combined with repeated restocking of wild mares into domesticated herds,[5] making the later divergence of body types a landrace or selective breeding adaption.
[2] Breeders' use of Arabians, and possibly Barb and Turkoman horses, was instrumental in developing the Thoroughbred breed.
Analysis of mitochondrial DNA (mtDNA) in the Andalusian horse shows a clear link to an influx of Barb breeding.