Includes bibliographies.; Bacterial and viral diseases of cultured salmonids in the Pacific Northwest / James R. Winton, John S. Rohovec, and John L. Fryer -- The genetics of plasmid-mediated virulence in the marine fish pathogen Vibrio anguillarum / Jorge H. Crosa, Mary A. Walter, and Susan A. Potter -- Vibrio ordalii as a cause of vibriosis in salmonid fish / Michael H. Schwiewe -- Furunculosis / Rocco C. Cipriano -- Synthesis of the structural proteins of infectious hematopoietic necrosis virus / Joann C. Leong, Yali Hsu, and Henry M. Engelking -- Molecular characterization of infectious pancreatic necrosis virus isolated from a marine fish / Edward B. Stephens and Frank M. Hetrick.