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http://dx.doi.org/10.5657/KFAS.2021.0668

Status and Characteristics of JEECV (Japanese Eel Endothelial Cell-infecting Virus) and AnHV (Anguillid Herpesvirus 1) Infections in Domestic Farmed Eels Anguilla japonica, Anguilla bicolor and Anguilla marmorata  

Jang, Mun Hee (Department of Aqualife Medicine, Chonnam National University)
Lee, Nam-Sil (Pathology Division, National Institute of Fisheries Science)
Cho, Miyoung (Pathology Division, National Institute of Fisheries Science)
Song, Jun-Young (Pathology Division, National Institute of Fisheries Science)
Publication Information
Korean Journal of Fisheries and Aquatic Sciences / v.54, no.5, 2021 , pp. 668-675 More about this Journal
Abstract
The infection status of domestic farmed eels Anguilla japonica, Anguilla bicolor and Anguilla marmorata with Japanese eel endothelial cell-infecting virus (JEECV) and anguillid herpesvirus 1 (AnHV) was examined at the major eel farming areas in Korea. These viruses were detected in all areas examined, regardless of the eel species or age. Any farm with a history of viral infection in adult fish confirmed the infection to be transmitted to stocked fry within 3 to 5 months. It is proposed that both viruses are horizontally transmitted within a given farm. The primary symptoms and histopathological lesions produced by the two viral infections are similar, making it difficult to distinguish the two diseases through clinical symptoms. Both viruses displayed 100% detection in the gills, suggesting that the gills are an optimal tissue for JEECV and AnHV monitoring. This study concluded that JEECV and AnHV were prevalent on eel farms across the country and caused very high mortality when the two viruses co-infected fry. Additional studies, including experimental infections, are needed to clearly understand the pathogenicity of each virus and the risk of co-infection.
Keywords
Japanese eel endothelial cell-infecting virus (JEECV); anguillid herpesvirus 1 (AnHV); Eel; Aquaculture; Infection;
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Times Cited By KSCI : 2  (Citation Analysis)
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