What is the role of horses in the life of nomads?

Kazakhs deeply revered the culture of animal husbandry. Horses were especially respected. Therefore, sound of hooves of galloping horses and their waving mane have been always reflected in the Kazakh history. The role of a horse in the formation of the civilization of the nomads was enormous.

What does modern generation know about the role of horses in Kazakh society? Where did horses first become domesticated? What is the role of horses in the life of nomads? Where are the Kazakh Karabaiyr horses now?