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刀鱼是著名的长江“三鲜”之一,是名贵的经济鱼类。由于环境、捕捞等诸多原因,资源衰退严重,个体低龄化,群体趋小化,产量逐年减少,由此带来了该品种市场高价位。因此,进行长江刀鱼种质资源保护与驯养技术的研究,并逐步过度到人工养殖,十分必要。由于刀鱼天生应急反应极强,对不
Saury is famous for the Yangtze River “Sam Sun” is one of the precious economic fish. Due to the environment, fishing and many other reasons, the serious decline of resources, the individual is getting younger, the population is getting smaller and the output is decreasing year by year, which brings the high price of the variety market. Therefore, the Yangtze River saury resources conservation and domestication technology research, and gradually over-farming, it is necessary. Because saury spontaneous emergency response is very strong, right