Sibu
Sibu yak is a local Tibetan yak breed, or regional population, kept in high-cold rangelands where domestic yaks provide food, fiber, transport, and draft power. The name appears far less often internationally than Maiwa or Jiulong, so it is best understood as a place-linked plateau type rather than a globally standardized show breed. Sibu animals are generally described as hardy, thick-haired yaks with the compact build, strong legs, and dark coat colors common in traditional Tibetan herds.
Conservation-minded breeding is important for lesser-known yak populations because small herds can disappear through uncontrolled crossing or replacement by more commercial lines. Farms that acquire Sibu-type animals should manage them for the traits that made them useful: thrift on rough forage, winter hardiness, dependable reproduction, and calm behavior around herders. As with all yaks, heat, mud, and lush feed can cause more trouble than cold weather. Clear notes on origin and parentage help future keepers understand what they are preserving.
Colors: Golden, Golden Royal, Golden Trim, Imperial Black, Imperial Trim, Native Black, Native Black Trim, Royal, White