利用流水养鱼池繁殖鲤鱼苗，可缩短鱼苗养殖周期，提高产量。 一、种鱼选择 选择性腺成熟，体重500克以上的种鱼，要求雌鱼腹部膨大柔软，肛门和生殖孔周围红肿、充血；雄鱼挤其腹部有白精液流出，而且肛门附近无红肿。 二、雌雄搭配 选择雌雄种鱼后，以1：5-7的雌雄比例进行搭 The use of water ponds breeding carp seedlings can shorten the fish breeding cycle, increase production. First, the choice of species of fish to choose glandular maturity, weighing more than 500 grams of fish, requiring the female abdomen enlargement and soft, anal and reproductive holes around the swelling, congestion; male squeeze the abdomen white semen outflow, but no swelling near the anus. Second, the male and female with the choice of male and female fish, to 1: 5-7 ratio of male and female ride