The yakalo is a cross of the

yak The domestic yak (''Bos grunniens''), also known as the Tartary ox, grunting ox or hairy cattle, is a species of long-haired domesticated cattle found throughout the Himalayan region of the Indian subcontinent, the Tibetan Plateau, Kachin Sta ...

(''Bos grunniens'') and the

American bison The American bison (''Bison bison'') is a species of bison native to North America. Sometimes colloquially referred to as American buffalo or simply buffalo (a different clade of bovine), it is one of two extant species of bison, alongside the ...

(''Bison bison'', known as a buffalo in North America). It was produced by

hybrid Hybrid may refer to: Science * Hybrid (biology), an offspring resulting from cross-breeding ** Hybrid grape, grape varieties produced by cross-breeding two ''Vitis'' species ** Hybridity, the property of a hybrid plant which is a union of two dif ...

isation experiments in the 1920s, when crosses were made between yak bulls and both pure bison cows and bison-cattle hybrid cows. As with many other inter-specific crosses, only female hybrids were found to be fertile ( Haldane's rule). Few of the hybrids survived, and the experiments were discontinued in 1928.Deakin, A, Muir, G W, Smith, A G (1935). "Hybridization of domestic cattle, bison and yak. Report of Wainwright experiment". ''Publication 479, Technical Bulletin 2'', Dominion of Canada, Department of Agriculture, Ottawa; cited in: Weiner, Gerald (2003)
''The Yak, Second Edition''
FAO RAP Publication, pp. 18, 338.

Footnotes

Bovid hybrids Intergeneric hybrids {{eventoedungulate-stub

See also

Footnotes