Paul R. Bowser
Professor Emeritus of Aquatic Animal Medicine
Graduate School Professor of Comparative Biomedical Sciences
Cornell University College of Veterinary Medicine
C5 185 Veterinary Medical Center
PhD (Auburn University)
was granted the status of Professor Emeritus upon his retirement on 1 July 2014. Prior to that he was a Professor in the Department of Microbiology and Immunology
and had been associated with the department since 1995 (previously an
Associate Professor in the Department of Avian and Aquatic Animal Medicine,
1985-1995). He also served as an aquatic animal health specialist on the
faculty of the College of Veterinary Medicine at Mississippi State University
(1980-85) and with the Aquaculture Program of the University of California,
After receiving his BS degree from Cornell in 1970, he received the MS degree from Iowa State University
After 3 years of active duty as an officer in the U.S. Navy, he entered the graduate program at Auburn University
and received his PhD in 1978. He
has obtained continuous funding (USDA, NY Sea Grant, etc.) throughout
his career to study diseases of fishes and strategies for fish health
Dr. Bowser was the recipient of the State University of New York Chancellor’s Award for Faculty Service in 2007. In 2009 Dr. Bowser received the S. F. Snieszko Distinguished Service Award from the Fish Health Section of the American Fisheries Society, which is a career achievement award for his contributions and service to the field of aquatic animal medicine.
Dr. Bowser received the National Sea Grant Program Research to Application Award in October, 2010, for the successful and continued real-world application of a Sea Grant-funded research effort. In April, 2013 Dr. Bowser was the recipient of the Christensen Award for Excellence in Fish Health from the International Association for Aquatic Animal Medicine. This award is given to an individual who has made significant advances in the field of fish health and medicine in the areas of basic and applied research and education. The presentation of this award in 2013 was only the 4th time this award has been given since it was established in 1988.
| Graduate Fields | Lab
Members | Related Links | Selected
General interests include
infectious and non-infectious diseases of fishes and strategies
for fish health management. Our recent major research efforts have
been in the following areas:
Retroviral-Caused Tumors in Fish. In a collaborative
effort with the laboratory of Dr. James Casey, we have studied the
pathogenesis of walleye dermal sarcoma retrovirus, two viruses associated
with walleye discrete epidermal hyperplasia, and the Atlantic salmon
swim bladder sarcoma virus. Within these efforts, we have been trying
to understand the mechanisms by which these tumors and tumor viruses
show a seasonality in their pathogenesis.
Therapeutants for Cultured Food Fishes. The commercial
aquaculture industry suffers from very limited access to FDA-approved
therapeutants for controlling diseases in the production environment.
Our laboratory is part of the NRSP7 – Minor Use Animal Drug
Program. This program is a joint USDA/FDA/University/Industry effort
to address the critical needs for safe and effective compounds for
health management in minor species food and fiber animals. Much
of our recent efforts have been in comparative pharmacokinetic studies
in different species of fish of candidate antibacterials with promise
for use in aquaculture. Our ultimate goal is to develop data that
will support a species grouping concept for aquaculture species.
Diagnostic Investigations. Our laboratory operates
the Fish Disease Diagnostic Laboratory, a service laboratory providing
disease diagnostic assistance to the aquaculture community, research
community and fish hobbyist in New York State. We also assist the
New York State Department of Environmental Conservation in investigations
of fish kills in wild fish populations in the state. Many times
these diagnostic investigations lead to more in-depth research investigations
in fish health issues.
Our diagnostic efforts have led to an major effort to understand the implications of the emergence of Viral Hemorrhagic Septicemia Virus Genotype IVb (VHSV IVb) in a variety of fish in the Great Lakes Basin. This effort has been undertaken in collaboration with the Laboratory of Dr. James Casey as well as a number of collaborators including the USDA APHIS, the USGS Western Fisheries Research Center, Seattle, WA, the New York State Department of Environmental Conservation and the Department of Natural Resources in the College of Agriculture and Life Sciences at Cornell.
Walleye (Sander vitreus) with walleye dermal sarcoma
Grass carp (Ctenophayngodon idella) with spinal deformity
Lake Sturgeon (Acipenser fluvescens) diagnostic case submission from the Niagara River
Dr. Bowser is a member of the following Graduate Fields:
Graduate School Professor of Comparative Biomedical Sciences (2014-2019)
Aquatic Animal Health Program
Marine Disease and Pathology Consortium Laboratory at the School of Marine and Atmospheric Sciences, Stony Brook University
Susan B. Fogelson, B.D. Petty, S. R. Reichley, C. Ware, P. R. Bowser, M. J. Crim, R. G.
Getchell, K. L. Sams, H. Marquis, and M. J. Griffin. 2016. Histologic and molecular characterization of Edwardsiella piscicida infection in largemouth bass (Micropterus salmoides). Journal of Veterinary Diagnostic Investigations. 28(3):338-344.
Breyer, K.E., R. G. Getchell, E. R. Cornwell, G. A. Wooster, H.G, Ketola and P.R. Bowser. 2015. Efficacy of an extract from garlic, Allium sativum, against infection with the furunculosis bacterium, Aeromonas salmonicida, in rainbow trout, Oncorhynchus mykiss. Journal of the World Aquaculture Society. 46(3):274-283.
R.G. Getchell, T. Erkinharju, A.O. Johnson, B.W. Davis, E.E. Hatch, E.R. Cornwell, P.R. Bowser. 2015. Goldfish Carassius auratus susceptibility to viral hemorrhagic septicemia virus (VHSV) genotype IVb depends on route of exposure. Diseases of Aquatic Organisms. 115:25–36.
Cornwell, E.R., G. B, Anderson, D. Coleman, R.G. Getchell, G.H. Groocock, J.V. Warg, A.M. Cruz, J.W. Casey, M.B. Bain, P.R. Bowser. 2015. Applying multi-scale occupancy models to infer host and site occupancy of an emerging viral fish pathogen in the Great Lakes. Journal of Great Lakes Research. 41:520-529.
Imanse, S.M., E.R. Cornwell, R.G. Getchell, G. Kurath, and P.R. Bowser. 2014. In vivo and in vitro phenotypic differences between Great Lakes VHSV genotype IVb isolates with sequence types vcG001 and vcG002. Journal of Great Lakes Research. 40:879-885.