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Read

The Yak

Versatile animal in the Tien Shan Mountains

The Yak is one of five domesticated bovine species and occurs widely in Central Asia. The breed is differentiated in the Wild Yak, which can be found on the list for endangered species, and the domestic yak held by Central Asian people.

Domestic Yaks in Kyrgyzstan

Yaks can adapt to extreme climatic conditions - Photo: NABU

Species: The domesticated Yak - Bos mutus

Age: Up to 20 years

Size: Up to 1,80 m high and 3 m long. The horn itself can reach one meter

Weight: 200 - 700kg. Female ones weight less due to their smaller size

Colour: Brown and black, but also red, white and spotted

Nourishment: Mainly grass, herbs, moss and lichens; but also spiky and woody plants. It can survive several days without any food or water and loses up to 20% of its weight in winter time

Reproduction: Sexual maturity: around 6 years

Mating season: September – October

Gestation period: ca. 270 days

Litter size: 1 young


Special attributes

Yaks on pasture

Yaks can defend themselves against attacks. - Photo: NABU

The primal cattle breed is very undemanding and perfect adapted to the extreme climate conditions in the Central Asian Highlands. They live outdoors all year and up to 4.500 meters, they are extremely resistant against coldness and frost and find purchase on mountain slopes with 75% hill.

Yaks own a well-marked social behaviour and graze near together. The herd contains only of female and young animals until the bulls turn up during the mating season. In case of an attack the herd defends as a closed community and hence rarely falls victim to predators.

The domesticated Yak is not just an important source of food, but also the only provider of milk, leather and wool in faraway alpine regions, as well as an important pack ad riding animal which can transport up to 100 kg. With its wide and robust claws it is particularly sure of step and especially on snowy mountain passes a valuable attendant. Besides local goods they often transport climbing equipment for foreign extreme mountain climbers to base camps. The Yak and its by-products are mostly entirely utilized; hence the dung used as combustible material. In ancient times, so wrote the poet Martial (41-100 A.D.), aristocratic Roman madams used Yak tails with their bushy tassel as fly whisk.


Distribution

Distributio of domestic Yaks

Distribution of the domestic Yak - Map: NABU

Fossil findings in Mongolia proof an age of the species of 100.000 years, but the primal Yak probably existed 2 million years ago. It spread from the Himalaya and the Tibetan Highlands towards North and South Asia, several animals were brought to Mongolia, the Caucasus and Russia between the 13th and 18th century. The nation of the Qiang in Tibet is said to be the first one to domesticate wild Yaks 10.000 years ago. The number of domesticated Yaks in Central Asia is estimated to be around 14 million today, 90% live in China and Mongolia.


project overview

Yaks in Kyrgyzstan
Sustainable yak husbandry

NABU realises its project „Sustainable yak husbandry in the Kyrgyz Tien Shan Mountains” as part of the Federal Environment Ministry's Advisory Assistance Programme in Middle and Eastern Europe states, Caucasus and Central Asia. more →

related topics

Snow leopard in NABU's outdoor enclosure and rehab centre in Ananyevo | photo: Christian Martischius & Sara Sun Hee Schuh
Species

Science tells us that, worldwide, 26,000 species go extinct every year. But mankind is far away from understanding which role and importance each of them holds in the ecosystem. The consequences of their extinction are non-predictable. more →

hands gently touching crops
Regional Development

NABU promotes sustainable regional development worldwide. Our international projects always include income-generating activities, which comprehensively address all three dimensions of sustainability - balancing economy, ecology and social equality. more →

facts & Figures

Snow leopards are the only big cats that cannot roar - photo: Andy Fabian

Protecting snow leopards

NABU has been committed to the survival of snow leopards in Kyrgyzstan since 1999 and has extended its commitment to Tajikistan, Pakistan and Nepal.

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