青鱼在催产过程中,往往会遇到下列一些问题:①催产率和产卵量都不如草、鲢、鳙鱼;②在催产过程中,很难见到雌雄彼此互相追逐、交配;③雌鱼未完成成熟、排卵之前,雄鱼早已排遗精液。上述问题产生的根源,是雌雄鱼交配在时间上的不协调。因而,青鱼人工繁殖的技术关键是引导、控制雌雄鱼交配时间协调一致。具体措施要从以下几方面着手:①培育好青亲鱼:青鱼主要摄食螺蛳、河蚌及其他软体动物。必须坚持常年投喂螺、蚌等天然饵料,在产后越冬之前。辅以精料,使性腺发育达到充分成熟,为催产提供合格的亲鱼。②注 The herring in the process of oxytocin often encounter the following problems: ① rate of oxytocin and oviposition as grass, silver carp, bighead carp; ② in the process of oxytocin, it is difficult to see the male and female chasing each other, mate; ③Female Unfinished mature, before ovulation, males have long discharge of semen. The root cause of these problems is the uncoordination of males and females in time. Therefore, the artificial breeding of herring is the key technology to guide the control of males and females mating time coordination. Specific measures to be from the following aspects: ① nurturing a green broodstock: herring mainly feeding snails, mussels and other mollusks. Must be fed perennial perennial feeding, mussels and other natural food, before the winter after birth. Supplemented by fine materials, gonadal development to full maturity, to provide qualified broodstock for oxytocin. ② Note