The new antlers are comprised of blood vessels and gelatin. After 70 days, the velvety skin dries up, and the deer rubs it off by scraping its antlers on the ground, or against trees or bushes.
這時鹿會自行在樹幹上磨茸，以脫去毛皮，使茸之血管破裂，流血後乃見真角，即為鹿角。