Though placid enough to be managed by humans, yaks are robust enough to survive at 4,000 meters altitude. Genomic analyses show that yak domestication began several millennia ago and was promoted by repeated crosses with cattle.
Though placid enough to be managed by humans, yaks are robust enough to survive at 4,000 meters altitude. Genomic analyses show that yak domestication began several millennia ago and was promoted by repeated crosses with cattle.