1987年利用10头已产过卵的亲参,经室内越冬后,进行常温促熟培育,于第二年产卵期全部达性成熟,其体重达404.86克/头。产卵时可集中获取大量的卵,孵化出900.5万小耳状幼体,孵化率达90%以上。其孵化幼体量为历年升温促熟培育百余头亲参第一次孵化幼体量的52～81%。 In 1987, using 10 progeny that had produced ovum, after indoor winter, they were cultivated at room temperature and matured. During the second year of oviposition, they all reached sexual maturity, with a body weight of 404.86 g / head. Eggs can be concentrated to obtain a large number of eggs, hatching out of 900.5 million small ear larvae, hatching rate of 90% or more. The hatchling larvae volume over the years to promote ripening to cultivate more than 100 first-born parental hatchling amount of 52 to 81%.