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鲑鳟类是世界性的主要冷水养殖鱼类,鱼病的防治在鲑鳟养殖生产中十分重要,尤其是高密度饲养时,更容易发生鱼病。加强鱼病防治,尽量减少鱼病造成的损失,是提高鲑鳟养殖成活率和增加经济效益的重要措施之一。1病毒性疾病1.1传染性胰脏坏死病1.1.1症状传染性胰脏坏死病是幼鱼的一种急性传染病,由鱼传染性胰脏坏死病病毒引起。其特征是病鱼水平旋转,下沉死亡,胰脏坏死或透明状退化。幼鱼外观腹部
Salmon trout is the world’s major cold-water cultured fish, fish disease prevention and control in salmon farming is very important, especially in high-density feeding, more prone to fish disease. To strengthen the prevention and treatment of fish diseases and minimize the losses caused by fish diseases is one of the important measures to improve the survival rate of salmon and increase the economic benefits. 1 VIRAL DISEASES 1.1 Infectious pancreatic necrosis 1.1.1 Symptoms Infectious pancreatic necrosis is an acute infectious disease of juvenile fish caused by the infectious pancreas necrosis virus. The utility model is characterized in that the sick fish rotates horizontally, sinks and dies, the pancreas necrosis or the transparent degeneration. Juvenile appearance abdomen