Category Archives: Fish Diseases

Infectious spleen and kidney necrosis disease (ISKND) outbreaks in farmed barramundi (Lates calcarifer) in Vietnam

Highlights The first report on emergence of ISKD in farmed barramundi from Vietnam. The causative agent was identified as Megalocytivirus ISKNV genotype II. A Megalocytivirus RSIV vaccine conferred only partial protection. Structural analysis revealed significant differences between the two viruses. … Continue reading

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Comparative genome analysis of fish pathogen Flavobacterium columnare reveals extensive sequence diversity within the species

How to cite: Pattanapon Kayansamruaj, Ha Thanh Dong, Ikuo Hirono, Hidehiro Kondo, Saengchan Senapin, Channarong Rodkhum , Comparative genome analysis of fish pathogen Flavobacterium columnare reveals extensive sequence diversity within the species. Infection, Genetics and Evolution (2017), doi: 10.1016/ j.meegid.2017.06.012 … Continue reading

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Urgent update on possible worldwide spread of tilapia lake virus (TiLV)

Tilapia lake virus disease (TiLVD) (also known as syncytial hepatitis of tilapia-SHT) is a newly emerging viral disease of tilapia caused by tilapia lake virus (TiLV), a novel Orthomyxo-like virus (Ferguson et al. 2014; Eyngor et al. 2014; Bacharach et … Continue reading

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A warning and an improved PCR detection method for tilapia lake virus (TiLV) disease in Thai tilapia farms

H.T. Dong, S. Siriroob, W. Meemetta, W. Santimanawong, W. Gangnonngiw, N. Pirarat, P. Khunrae, T. Rattanarojpong, R. Vanichviriyakit and S. Senapin Tilapia lake virus (TiLV) is a novel RNA virus resembling Orthomyxovirus. It has been reported as a newly emerging … Continue reading

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Emergence of tilapia lake virus in Thailand and an alternative semi-nested RT-PCR for detection

Highlights Outbreaks of TiLV associated with massive mortalities in farmed tilapia in Thailand. An alternative semi-nested RT-PCR has been developed for disease diagnosis. In situ hybridization assay revealed multiple tissues tropism of the virus. Transmission electron microscopy revealed intracytoplasmic viral … Continue reading

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Aeromonas jandaei and Aeromonas veronii caused disease and mortality in Nile tilapia, Oreochromis niloticus (L.)

Dong et al. 2017 – Journal of Fish Diseases. doi:10.1111/jfd.12617 http://onlinelibrary.wiley.com/doi/10.1111/jfd.12617/full Abstract Diseases caused by motile aeromonads in freshwater fish have been generally assumed to be linked with mainly Aeromonas hydrophila while other species were probably overlooked. Here, we identified … Continue reading

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Recovery of Vibrio harveyi from scale drop and muscle necrosis disease in farmed barramundi, Lates calcarifer in Vietnam

Highlights Emergence of scale drop and muscle necrosis disease in farmed barramundi in Vietnam Coinfections of culturable and unculturable bacteria were uncovered from diseased fish. A pathogenic V. harveyi strain was identified as the main causative agent. Fish infected with … Continue reading

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