长吻鮠常见鱼病的防治

Prevention and Treatment of the Common Diseases of Leiocassis Longirostris Gunther

本文对我国特有经济鱼长吻(鱼危)在人工繁殖和鱼苗培育过程中的常见鱼病的发生规律和防治进行了报导,并在试验的基础上提出了最佳药物及浓度,使鱼体常见的五种病原体,即寄生水霉、粗棘杜氏车轮虫、多子小瓜虫、粗钩似盘钩虫和鲤锚头蚤等得到基本控制。

The pathogens, ecological requirements for pathogenesis prevention and treatment of the common diseases of L. longirostris which is a famous commercial catfish of China, during the process of its artificial propagation and larval cultivation, are reported in this paper. The best drugs for treatment and their optimal concentrations are suggested, based on experiments. The five most common pathogens to this fish, i.e. Sapro-legnia parasitica Coker, Trichodina domerguei f. latispina Dogiel, Ichthyophthirius multifiliis Fouquet, Pseudancylodiscoides rimsky-horsakowi (Achmerov), and Lernaea cyprinacea Linnaeus are basically under control.