绥芬河大麻哈鱼人工繁殖与孵化放流

TEST ON ARTIFICIAL PROPAGATION anc EGG RELEASING of PINK SALMON in SUIFBNRIVER

本文报道绥芬河开展大麻哈鱼人工繁殖与孵化放流试验。１９８９、１９９１、１９９３年共采捕利用亲鱼７４尾，其中雌亲鱼３６５尾，采卵１０１．６万粒，雌亲鱼利用率为８１．３％，受精率伪９５．６％，孵化率为９６．３％，稚鱼饲养成活率为９２．５％，放流稚鱼共９２．２万尾。本项试验为该水系大麻哈鱼大规模殖放流提供必要的技术参数。

This artrcle reports the test on artificial propagation and egg releasing of Pink Salmon in Suifen River for the first time. In 1989,1991 and 1993. 674parent fish were gathered.There are 365 females among them. 1016,000 eggs were collected. Utilization ratio of female Parents is 81.3 percent. Fertilization rate is 95.6percent. Hatching rate is 96.3 percent.Larvae survial rate is 92.5 percent.Total 922,000larvae were released.This test has provide necessary technical parameters for massively increasing and releasing Pink Salmon in Suifen River Sysltem.