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Diseases of Aquatic Organisms

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DAO 140:31-36 (2020)  -  DOI:

First report of bacterial kidney disease in coho salmon Oncorhynchus kisutch in Russia

N. V. Sergeenko1,*, E. A. Ustimenko1, M. G. Eliseikina2, A. D. Kuhlevskiy2,3, E. V. Bochkova1, T. V. Ryazanova1

1Russian Federal Research Institute of Fisheries and Oceanography, Kamchatka branch, Petropavlovsk-Kamchatsky 683000, Russia
2National Scientific Center of Marine Biology Far Eastern Branch Russian Academy of Science, Vladivostok 69041, Russia
3Far Eastern Federal University, Vladivostok 69041, Russia
*Corresponding author:

ABSTRACT: This paper describes the first case of bacterial kidney disease (BKD) to be identified in coho salmon Oncorhynchus kisutch in Russia. The fish in question was caught in Lake Bolshoi Vilyui on the Kamchatka Peninsula. The diseased fish had foci of granulomatous inflammation in the kidneys. The diagnosis was confirmed by isolating the bacterium Renibacterium salmoninarum from kidney tissue in pure culture, and by determining the partial 16S RNA gene sequence of the isolate. This is the first detection of this pathogen in the genus Oncorhynchus in Russia, and detection of BKD in coho salmon indicates that the pathogen is present in the natural fish populations of Kamchatka. Therefore, it will be necessary to conduct screening studies of mature salmon selected for artificial reproduction, for the presence of BKD signs and asymptomatic infection with R. salmoninarum, which will allow us to estimate the prevalence of the pathogen.

KEY WORDS: Bacterial kidney disease · Renibacterium salmoninarum · Coho salmon · Russia · Kamchatka

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Cite this article as: Sergeenko NV, Ustimenko EA, Eliseikina MG, Kuhlevskiy AD, Bochkova EV, Ryazanova TV (2020) First report of bacterial kidney disease in coho salmon Oncorhynchus kisutch in Russia. Dis Aquat Org 140:31-36.

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