论文部分内容阅读
据日本读卖新闻八○年七月十八日报道,千岁道水产孵化场寺尾俊郎领导的研究小组育成了世界上第一批大鳞鳟(♂)×鳟(♀)杂交鱼种第一代。现有杂交种三龄鱼约200尾,二龄鱼约2000尾。杂交种的性状,如肉质和育成率等继承了双亲的特征,具有大鳞鳟生长快,鳟鱼味好的优点。杂交种染色体为67,介于双亲的中间,故容易保持两亲本的优点。杂
According to the Japanese Yomiuri News reported on July 18, 1980, the research group headed by Toshiro Toshiro of Chitosei Aquatic Hatcheries has bred the first generation of hybrid breeds of the world’s first large brown trout (♂) × trout (♀) . There are about 200 existing third-generation hybrids and about 2000 second-generation fish. The traits of hybrids, such as succulent and fertility, inherit the characteristics of their parents, which have the advantages of growing trout fast and good taste of trout. Hybrid chromosome 67, between parents in the middle, it is easy to maintain the advantages of the two parents. miscellaneous