家鱼人工繁殖工作中,亲鱼产后死亡现象经常发生,死亡率可达20～30％,淮阴市水产养殖场1980～1983年家鱼人工繁殖共催产亲鱼141组、293尾,累计获得鱼苗4772万尾,亲鱼产后死亡66尾,死亡率22.5％。我们从1984年起,在人工繁殖工作中,探索降低亲鱼产后死亡率的措施,1984～1985年的 During the artificial reproduction of domestic fish, the death of broodstock occurred frequently after birth, with the death rate reaching 20-30%. In Huaiyin City aquaculture farm, from 1980 to 1983, artificial reproduction of domestic fish was co-produced with 141 groups of 293 broodstock, accumulating 47.72 million fish fry Tail, broodstock postpartum death 66, the mortality rate of 22.5%. Since 1984, we have explored ways to reduce the postnatal mortality rate of broodstock during the artificial breeding program. From 1984 to 1985