Why do Tibetan people keep yaks in their homes?

The yak has a special requirement for the living environment, that is, it must meet the high altitude conditions, so in the process of raising yaks, compared with the ordinary cattle breeding has higher requirements, and Tibet has such conditions.

For thousands of years, the yak has accompanied the Tibetan people, doing its best to fulfill the people's needs in clothing, food, housing, transportation, burning and cultivation, as well as in politics, education, commerce, war, entertainment, medicine and use on the Tibetan Plateau, and has profoundly influenced the spiritual character of the Tibetan people.

Yak habits:

The yak has a cold-proof and warm body shape, compact body, short neck and small ears, thick skin and small surface area; the sweat glands are extremely underdeveloped, and the length and fineness of the coat vary with the seasons, and the side of the body and the lower part of the skirt are dense and long, which is cold-proof and damp-proof, and suitable for the cold climate. Thorax is large, cardiothorax is developed, trachea is thick and short, red blood cells are large, hemoglobin content is high, respiration, pulse is fast, adapted to plateau hypoxia environment.

Broad mouth, flexible lips, can nibble short grass; hooves are solid and padded, docile, responsive, established conditioned reflexes are relatively consolidated, easy to teach; strong disease resistance, strong resistance to adversity, strong grouping, wide range of food, hunger and thirst, and tolerate rough feeding and management conditions.

Reference to the above? Baidu Encyclopedia-Yak