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Vibrio anguillarum and V. ordalii Disinfection for Aquaculture Facilities

John W. Machen1, Stephen A. Smith*1 and George J. Flick, Jr.2
Volume 9, June 2008

1Department of Biomedical Science and Pathobiology, Virginia-Maryland Regional College of Veterinary Medicine Virginia Polytechnic Institute and State University Blacksburg, Virginia 24061

2Department of Food Science and Technology Virginia Polytechnic Institute and State University Blacksburg, Virginia 24061

*Corresponding Author: stsmith7@vt.edu

Keywords:Vibrio anguillarum, Vibrio ordalii, disinfection, aquaculture, marine

International Journal of Recirculating Aquaculture 9 (2008) 43-51. All Rights Reserved
© Copyright 2008 by Virginia Tech, Blacksburg, VA USA


One of the major limitations to intensive aquaculture is disease. Diseases spread rapidly in an aquatic environment and pose a major threat to development and utilization of all species in aquaculture. Bacteria of the genus Vibrio play a major role in the diseases of cultured species of marine fish. The goal of reducing the incidence of disease in a population is either to eliminate potential pathogens or to increase the resistance of the host. To reach that goal, a disinfection assay to test the effectiveness of nine common aquaculture chemical compounds was evaluated against two marine bacterial pathogens (Vibrio anguillarum and V. ordalii). Both bacterial species were susceptible to a variety of common disinfecting compounds including Chloramine-T®, chlorine, ethanol, iodine, Lysol®, Roccal®, and Virkon-S®.