The possible reasons were that the ancestor of Tibetan chicken lived in a relatively isolated environment after entered into high altitude and developed individual genetic characters.
推测可能原因是藏鸡的祖先在进入高原以后处于相对封闭的环境，从而形成了独特群体遗传特性。
A possible explanation is that the ancestor of Tibetan chicken lived in a relatively isolated environment after entering into the high altitude area and developed unique genetic characters.
推测可能原因是藏鸡的祖先在进入高原以后处于相对封闭的环境，从而形成了独特群体遗传特性。
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