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Effect of Fish Pathogenic Viruses on Mariculture of Rainbow Trout (Oncorhynchus mykiss)  

Kim, Wi-Sik (Department of Aqualife Medicine, Chonnam National University)
Jang, Min-Seok (Department of Aqualife Medicine, Chonnam National University)
Kim, Jong-Oh (Department of Aqualife Medicine, Chonnam National University)
Jeon, Young-Ho (Jeollanam-do Ocean Fishery Science Institute)
Oh, Myung-Joo (Department of Aqualife Medicine, Chonnam National University)
Publication Information
Korean Journal of Ichthyology / v.27, no.3, 2015 , pp. 183-188 More about this Journal
Abstract
Recently, mariculture of rainbow trout (Oncorhynchus mykiss) has been initiated in the coast areas of Korea. In the present study, we investigated the effect of fish viruses on mariculture of rainbow trout. The pathogenicity of infectious hematopoietic necrosis virus (IHNV) and infectious pancreatic necrosis virus (IPNV) isolated from freshwater rainbow trout was tested against major cultured marine fish species, including olive flounder (Paralichtys olivaceus), rock fish (Sebastes schlegeli), rock bream (Oplegnathus fasciatus), red seabream (Pagrus major) and sevenband grouper (Epinephelus septemfasciatus). The pathogenicity of marine birnavirus (MABV), hirame rhabdovirus (HIRRV) and nervous necrosis virus (NNV) isolated from marine fish species was also tested against rainbow trout. No mortality was observed in marine fish species challenged with IHNV or IPNV. However, olive flounder and rock bream were infected by IHNV and IPNV. A mortality of 8.3% was observed in rainbow trout challenged with HIRRV. The fish was infected by both MABV and NNV. These results suggest that the mariculture of rainbow trout might be affected by fish viruses.
Keywords
Oncorhynchus mykiss; fish viruses; pathogenicity; mariculture;
Citations & Related Records
Times Cited By KSCI : 4  (Citation Analysis)
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