Product Code Database
A dzo () 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 or . In Mongolian, it is called a (хайнаг). There is also the English language of yattle—a combination of the words yak and cattle, as well as yakow—a combination of the words yak and cow.
Dzomo are fertility (or fecundity), while dzo are sterile. As they are a product of the hybrid genetic phenomenon of heterosis (hybrid vigor), they are larger and stronger than yak or cattle from the region. In Mongolia and Tibet, khainags are thought to be more productive than cattle or yaks in terms of both milk and meat production.
Dzomo can be backcrossing. As a result, many supposedly pure yak or pure cattle probably carry each other's genetic material. In Mongolia, the result of a crossed with either a domestic bull or yak bull is called (ортоом, three-quarter-bred) and an crossed with a domestic bull or yak bull results in a (усан гүзээ, one-eighth-bred).Takase Hisabumi, Kh. Tumennasan et al., "Fertility Investigation in F1 Hybrid and Backcross Progeny of Cattle ( Bos taurus) and Yak ( Bos gruniens) in Mongolia: II. Little variation in gene products studied in male sterile and fertile animals", in: Niigata journal of health and welfare Vol. 2, No. 1, pp. 42–52.
/ref> Consequently, this adaptation significantly enhances the dzo's capacity to thrive at higher altitudes compared to either parent.
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