摘要
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.
出处
《水产学杂志》
CAS
1994年第2期73-77,共5页
Chinese Journal of Fisheries
关键词
绥芬河
大麻哈鱼
人工繁殖
孵化
放流
Suifen River,Pink Salmon,Artificial Propation,Reltasing,Hatching