1、雌雄鉴别及成熟亲鱼的挑选每年6月上旬至7月上旬,水温升至25℃以上时,可开始进行翘嘴鲌人工繁殖。土池、水泥池均可作催产池。选择个体相对大,体质健壮无损伤的鱼催产。雌雄比为自然交配产卵2:1,人工授精2-4:1.一般雌鱼1千克以上怀卵7万-12万粒,雄鱼0.8千克以上发育好的也能达到性成熟用于催产。性成熟的雄鱼,用手摸头部和体表,尤其胸鳍处,因生 1, male and female identification and selection of mature broodstock Early June each year to early July, when the water temperature rose above 25 ℃, Cephalosporium can begin artificial propagation. Earthen ponds, cement pools can be used for oxytocin. Choose a relatively large individual, physique robust injury-free fish oxytocin. Female to male ratio of natural mating spawning 2: 1, artificial insemination 2-4: 1. General females 1 kg or more eggs 70,000 -12 million, male 0.8 kg or more well-developed sexual maturity can be used for oxytocin . Mature males, touching the head and body surface, especially pectoral fins, due to health