An interesting study was published yesterday in Current Biology about the the history of modern horses.
In order to investigate this history, Barbara Wallner and her colleagues at the University of Veterinary Medicine Vienna used next-generation sequencing of the Y chromosomes of 52 stallions from 21 breeds.
The authors found that most modern horse breeds are descended from oriental stallions imported less than 700 years ago. The Oriental horse group consisted of two major subclades: the Original Arabian lineage and the Turkoman horse lineage, the authors note.
Read the article on the Website of Current Biology