虹鳟鱼是我们常见的一种冷水性鱼类,经济价值较高,但在养殖过程中常出现一些疾病困扰着养殖生产的正常进行。常见的虹鳟鱼疾病有营养性疾病、体外寄生虫病、水霉病、细菌性烂鳍病、烂腮病和肠炎等,其中以营养性疾病最为常见,其次是小瓜虫病和三代虫病。 Rainbow trout is one of our common cold water fish, which has high economic value. However, some troubles often occur during the breeding process, which are troubling the normal production of breeding fish. Common rainbow trout diseases are nutritional diseases, parasitic diseases in vitro, water mold, bacterial rot disease, rotund gout and enteritis, etc., of which the most common nutritional diseases, followed by small aschiasis and three generations of worm disease .