Dzo

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Dzo
Zokyo loaded with bags.jpg
A dzo acting as a pack animal en route to Mount Everest
Domesticated
Scientific classification e
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Artiodactyla
Family: Bovidae
Subfamily: Bovinae
Tribe: Bovini
Genus: Bos
Species: B. grunniens × B. primigenius

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,[1] as well as yakow,[2][3] 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), they are larger and stronger than yak or cattle from the region.[4] In Mongolia and Tibet, khainags are thought to be more productive than cattle or yaks in terms of both milk and meat production.[5][6]

Dzomo can be back crossed. As a result, many supposedly pure yak or pure cattle probably carry each other's genetic material. In Mongolia and Tibet, the result of a khainag crossed with either a domestic bull or yak bull is called ortoom (three-quarter-bred) and an ortoom crossed with a domestic bull or yak bull results in a usan güzee (one-eighth-bred).[6][7]

See also[edit]

References[edit]

  1. ^ Mummolo, Jonathan (August 11, 2007). "Yattle What?". The Washington Post. Retrieved January 3, 2017. Mentzer, who grew up farming in Loudoun County, and his partner, Jim Dumbrell, a retired British oil and gas pipeline consultant, are breeding yattle -- a cross between cows and yaks. 
  2. ^ National Research Council (1983). Little-Known Asian Animals With a Promising Economic Future. Washington, D.C.: The National Academies Press. p. 34. doi:10.17226/19514. 
  3. ^ Mason, Ian (March 2002). Porter, Valerie, ed. Mason's World Dictionary of Livestock Breeds, Types and Varieties. West Sussex: CABI. p. 122. ISBN 085199430X. 
  4. ^ David B. Madsen; Fa-Hu Chen; Xing Gao (3 July 2007). Late Quaternary Climate Change and Human Adaptation in Arid China. Elsevier. p. 207. ISBN 978-0-444-52962-6. Retrieved 3 June 2012. 
  5. ^ Bataagiin Bynie: Mongolia: The Country Refort (sic!) On Animal Genetic Resources, Ulaanbaatar 2002, p. 11
  6. ^ a b Tsering, Diki (2002). Dalai Lama, My Son. Penguin Books. ISBN 0-7865-2260-7. 
  7. ^ Takase Hisabumi, Kh. Tumennasan et al., Fertility Investigation in F1 Hybrid and Backcross Progeny of Cattle (Bos taurus) and Yak (B. 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