Dzo Dzo A dzo (Tibetan མཛོ་ mdzo) (also spelled zo, zho and dzho) is a hybrid between the yak and domestic cattle. The word dzo technically refers to a male hybrid, while a female is known as a "dzomo" or "zhom". In Mongolian it is called khainag (хайнаг). There is also the English language portmanteau term of yattle, a combination of the words yak and cattle, as well as yakow, a combination of the words yak and cow. Dzomo are fertile (or, fecund) while dzo are sterile. As they are a product of the hybrid genetic phenomenon of heterosis (hybrid vigor),
Asian box turtle be confirmed, whether all "C. serrata" from the wild have originated by direct hybridization of "C. mouhotii" and "C. galbinifrons", or also by "hybridisation" of "C. serrata" × "C. serrata". Unnamed hybrids of several other "Cuora" taxa are also known, as are intergeneric hybrids such as "Mauremys iversoni", a hybrid between "Cuora trifasciata" and "Mauremys mutica" which are intentionally produced in Chinese turtle farms. Wild-caught "C. amboinensis" specimens were frequently available in the exotic animal trade, but are getting rarer now; other species are rare to commercially extinct. Asian box turtle Asian box turtles are turtles of the genus Cuora