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二、水蛭的繁殖及管理 水蛭是一年多产卵性动物，每年只要水温在１５℃以上的月份，就进入生长、交配、繁殖阶段。 ６－１０月份为繁殖交配期，每年繁殖三次，共产卵１０００粒左右，每次产４－６个卵茧，卵茧往往产于池壁，田埂或底泥土中，产后１６－２５天便孵出幼蛭，每个
Second, the leeches breeding and management Leech is more than one year of oviparous animals, as long as the annual water temperature above 15 ℃ in the month, entered the growth, mating, reproduction stage. June-October for the mating period of breeding, breeding three times a year, a total of about 1000 eggs, each producing 4-6 eggs in the cocoon, egg cocoons are often produced in the pool wall, farmland or mud, 16-25 days postpartum Hatched leeches, each