AUROCHS (BOS PRIMIGENIUS)
Humans use to domesticate the cattle for many centuries for milk and to draught, now the origin of this habit and origin of modern cows traced to a single herd by the genetics study.
Scientists now concluded that Aurochs is the first cattle which humans start to domesticate approximately 10,000 years ago, and this is the origin of modern cow.
The size of an aurochs appears to have varied by region, with the available data, Scientists have declared that the normal Aurochs size would be more than 6 feet height and weight around 1000 kg, This near elephant size cattle were domesticated in India and the Middle East.
Video Credit: Youtube/Extinction Blog