This is the ceremony of labor, which happened when the baby foal grown well and enough milk comes as a result of the good weather. In other words, this is the ceremony that symbolize the growing of horse and animals and having much more airag (fermented mare’s milk). There is a custom to celebrate the occasion of fermenting mare’s milk with a feast, which is held within three days of the tethering. The ceremony is celebrated for the means of summoning prosperity to receive plenty of growth of horse herd, the abundance of airag (fermented mare’s milk) and other dairy products and blessing the newborn animals. During the ceremony the proceedings of tethering the foals, milking the mares, ritual of milk libation, recitation of milk libation and anointment, and sharing the ceremonial mutton and mare milking feast are carried out alternately.