论文部分内容阅读
引进名贵金鱼426尾,经过75天的培育,到产卵前存活365尾,成活率达85.7%。在金鱼的繁殖期间,通过人工授精的方法,严格按品系分类进行雌雄搭配,定向繁殖,共育出金鱼鱼苗187300尾。在随后的养殖过程中不断地进行选优,共获得子一代名贵金鱼64480尾,子代优品率为34.4%。
The introduction of the precious goldfish 426, after 75 days of cultivation, to survive before spawning 365, the survival rate of 85.7%. During the breeding of goldfish, through the method of artificial insemination, strictly according to the classification of the strains, the male and female collocated, directional breeding, a total of 187300 goldfish fry tail. In the ensuing breeding process continuously selected, won a total of 64,480 of the first generation of precious goldfish tail, excellent child-off rate of 34.4%.