A dzo (Tibetan མཛོ་ mdzo) is a hybrid of yak and domestic cattle. The word dzo technically refers to a male hybrid, while a female is known as a dzomo or zhom. Alternative Romanizations of the Tibetan names include dzho, zho and zo. In Mongolian it is called khainag (хайнаг). There is also the English language portmanteau term of yak...