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The Department of Pathobiology is dedicated to the advancement of knowledge in veterinary and comparative pathology, veterinary infectious diseases and immunology. Our faculty members’ research ranges from the basic understanding of the mechanisms of disease caused by a wide range of agents (including emerging and zoonotic pathogens) to the different protective and pathological responses o host organisms. We offer advanced training in diagnostic anatomic and clinical pathology, as well as research training in our areas of expertise.

Check out Graduate Positions that are available. Click here for more details

Faculty in the News

The distinction of University Professor Emeritus was given to Dr. John F. Prescott at the OVC Winter Convocation on February 19th. The prime criteria for UPE is sustained and outstanding scholarship of such a level that it is recognized internationally. John’s career spans 38 years with the university. Watch convocation, and John’s address to students, at

Dr. Ravi Kulkarni recently joined the Pathobiology department as PHRN (Poultry Health Research Network) Coordinator. His research expertise and interests are in poultry health, disease and vaccines. Ravi completed a PhD in Pathobiology and worked at the Emory Vaccine Centre in Georgia. Articles regarding the PHRN and Ravi’s arrival have been announced in Canadian Poultry, AG ANNEX Agri News and World Poultry. Check out the PRHN website His office is room 4821, ext. 54759. Drop by and say hello!

Dr. Jeff Caswell was awarded the Zoetis Research Award for OVC this year. Recognition for his research on innate immunity and pneumonia.

Drs. Patrick Boerlin, who will study molecular epidemiology of antimicrobial resistance plasmids in bacteria from animals, and Nicole Nemeth, who will examine vector and vertebrate host dynamics of Powassan virus in Ontario, received NSERC Discovery awards

Dr. Sarah Wootton received a Cystic Fibrosis Canada Grant of $157,674 over two years to study nuclease-based gene therapy for permanent correction of CF.

Dr. Dorothee Bienzle was featured in March 2015 issue of BD Accuri News, read the article at

Dr. Patricia Turner received $38,300USD funding from the National Pork Board to examine refinements to mitigate pain associated with commercial piglet processing.

New Faculty Member - Dr. Stefan Keller

Pathobiology is excited to welcome new faculty member Dr. Stefan Keller, an anatomic pathologist, who will be joining us on March 1st. Stefan has a DVM from Berlin, Germany, has completed a Dr. Med Vet from Zurich, Switzerland, and is an ECVP diplomate. Most recently he completed his PhD at UC Davis. His research focusses on diagnostic and therapeutic aspects of the lymphocyte antigen receptor and his has a strong background in molecular techniques as well as specialty training in diagnostic immunopathology. His extension is 54637, office is 3843, drop by and say Hello!