不同温度对太湖短吻银鱼秋季孵化的试验研究

太湖短吻银鱼是太湖的主要经济鱼类之一。本文在1975和1981年对不同温度下太湖短吻银鱼秋季人工授精孵化进行了8次试验,胚胎发育和孵化仔鱼均属正常,并得到如下统计分析结果: 1.在试验温度范围内孵化温度与积算温度(A)的相关为A=3441.97-93.41t; 2.孵化温度与孵化时间(H)的相关为logH=4.3615-1.8946logt; 3.孵化温度与初孵仔鱼全长(L)的相关为logL=1.0917-0.5246logt。

EXPERIMENTAL STUDIES ON INCUBATION OF SHORT-SNOUT ICE-FISH AT DIFFERENT GRADIENT TEMPERATURES IN AUTUMN

The short-snout ice-fish, Neosalanx tangkahkeii taihuensis Chen, is one of the commercial fishes in Tai Hu Lake. During autumn spawning seasons of 1975 and 1981, 8 experiments on incubation of this fish by artificial fertilization at different gradient temperatures were conducted.These experiments show that embryo development and hatching of larvae were normal.The results of a statistical analyses of these experiments are as follows:1. There is a correlation between the hatching temperature and the accumula...