Institution: | 1. Faculty of Fisheries and Protection of Waters, South Bohemian Research Center of Aquaculture and Biodiversity of Hydrocenoses, University of South Bohemia in ?eské Budějovice, , Vodňany, Czech Republic;2. Veterinary Research Institute v.v.i., National Reference Laboratory for Viral Diseases of Fish, , Brno, Czech Republic;3. Faculty of Veterinary Medicine, Institute of Microbiology and Immunology, University of Veterinary and Pharmaceutical Sciences, , Brno, Czech Republic |