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leng shui xing yu lei yi miao yan jiu jin zhan
Pages: 74-79
Year: Issue:  1
Journal: Chinese Journal of Preventive Veterinary Medicine

Abstract: 冷水性鱼类是指能够适应环境水温较低的鱼类,在北半球的山涧溪流广泛分布.狭义的冷水性鱼类是指生存温度在0 ℃~20 ℃之间,当水温超过20 ℃时,出现严重不适甚至死亡.我国拥有广阔的冷水水域资源,大约有 90种冷水性鱼类,其中具有经济价值的种类有鲑鳟鱼、鲟鱼、大银鱼、裂腹鱼类等50余种,我国养殖的冷水性鱼类主要是鲑科鱼类[1].
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