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一、材料与方法 (1)亲鱼的来源与培育: 催产用的亲鱼来自故城县故城公社社办渔场的一个四十亩的大坑塘,80年秋用大拉网捕获,雄鱼重1—4斤,雌鱼重1.5—4斤,然后用拖拉机运输2个多小时,运输成活率在80％以上。先在专塘饲养,以小杂鱼为饵进行培育,后因亲鱼太少,改放到家鱼亲鱼池和家鱼混养,因亲鱼池有小杂鱼,不投饵。这样即控制了亲鱼池的小杂鱼,有利于家鱼亲鱼的培育,
I. Materials and Methods (1) Source and Cultivation of Broodstock: Progeny broodstock are from a forty-acre Tai Hang Tang fishing village of Gucheng County, Gucheng County. -4 pounds, females weighing 1.5-4 pounds, then tractor transport more than 2 hours, transport survival rate of 80% or more. First pond in the raising of small trash bait for nurturing, due to too little broodstock, change to the home fish broodstock and domestic fish polyculture, due to broodstock small trash, do not feed. This control of the broodstock small fish, is conducive to the cultivation of broodstock broodstock,