Ewes usually give birth to lambs in spring, and these lambs can be listed in winter after grazing for seven or eight months, so it is estimated that they can go up the mountain with the sheep in about 15 days.

Boer goat is native to South Africa. As a seed, it has been introduced by many African countries, New Zealand, Australia, Germany, the United States, Canada, Britain and China. Boer goat is known as the "king of meat goats" in the world, which has the characteristics of large size, fast growth, strong reproduction, more lambs, high slaughter rate, more meat, tender meat, rough feeding resistance, strong adaptability and strong disease resistance.