Quote Originally Posted by Vorian View Post
Nomads first of all bred horses like settled people breed sheep. They used them for skins, for milk even meat. Since their lands are only for grazing they could raise many horses. Quantity reduced prices.
Second nomad horses were breeds that ate grass and were perfectly fine. The bigger horses of settled civilisations were domesticated breeds that won't stay in top condition only with grass, the also need hay and other kinds of food which adds to the expenses.
Hm.. I see. I was unaware that horses did produce milk. Well, that explains part of the question. :)