论文部分内容阅读
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 paper reports the Suifenhe salinization artificial hatching and releasing test. In 1989, 1991 and 1993, a total of 74 broodstock were collected and used, among which 365 were female fish, which collected 101.6 million eggs, the utilization rate of female broodstock was 81.3%, the fertilization rate was 95.6%, and the hatching rate was 96 .3%, juvenile feeding survival rate was 92.5%, releasing a total of 92.2 million juveniles. This test provides the necessary technical parameters for the large-scale reproductive flow of this saltwater saltwater.