DAO 155:103-108 (2023)  -  DOI: https://doi.org/10.3354/dao03744

ABSTRACT: There is an urgent need to establish protocols on how to protect salmonids in aquaculture from outbreaks of proliferative kidney disease (PKD). For this purpose, systems for a continuous application of peracetic acid (PAA, 0.1 mg l^-1) and of ultraviolet C light (UV-C, 323.5-158.6 mW s cm^-2) were installed in the inlet of raceway-channels within a sub-unit of a commercial rainbow trout Oncorhynchus mykiss farm. After 127 d of rearing, a fish health examination was conducted. Fish in the control and PAA treatment groups showed signs of PKD. In contrast, fish in the UV-C treatment group showed almost no signs of disease based on clinical examinations and necropsy. This observation indicates that UV-C irradiation could be a promising tool to protect fish from PKD in the future.

KEY WORDS: Proliferative kidney disease · PKD · Rainbow trout · Oncorhynchus mykiss · UV-C · Peracetic acid · PAA · Aquaculture

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Cite this article as: Naas C, Kappe A, Schmidt-Posthaus H, Lichtenecker M (2023) Application of UV-C irradiation prevented a severe outbreak of proliferative kidney disease in rainbow trout aquaculture. Dis Aquat Org 155:103-108. https://doi.org/10.3354/dao03744 Export citation Share:    Facebook - - linkedIn