Dr. Richard Holt
Retired Fish Pathologist, Oregon
Department of Fish and Wildlife,
Assistant Professor - courtesy appointment/Senior Researcher Department
of Microbiology
e-mail:holtr@onid.orst.edu
Assistant Professor- courtesy appointment, Department of Microbiology,
Oregon State University. American Fisheries Society Certified Fish Pathologist.
34 years of experience in the study of fish disease. Responsibilities-
Principal activities include conducting research in the diagnosis and
treatment of fish parasites, pathogens in hatchery fish, detection of
pathogens in wild stocks of fish and determining causes of fish losses
in Oregon. Principal area of research and publications has been in studies
of the yellow pigmented bacterial fish pathogens such as Flavobacterium
psychrophilum agent of cold-water disease and F.columnare, agent of columnaris
disease. He has also conducted studies of the occurrence of the myxosporean
parasite, Ceratomyxa shasta, and its impact on wild salmonid stocks.