You are here


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.


Faculty In the News

50th Anniversary Edition of the Milk Producer highlights work produced by Dr. Bonnie Mallard, HIR/Immunity+,  is listed in the University of Guelph's top 5 dairy research innovations of the past 50 years.

New $25-Million National Cancer Network Includes OVC Profs

Two University of Guelph scientists are part of a new $25-million national research network of experts developing novel biotherapeutics for cancer. Ontario Veterinary College (OVC) Professors Byram Bridle and Paul Woods are the only two veterinary researchers involved in the BioCanRx Network of Centres of Excellence (NCE) announced today by Ed Holder, federal minister of state for industry.


John Prescott Quoted in The Walrus

Prof. John Prescott was quoted in an article in the January issue of The Walrus entitled “Playing Chicken:  Antibiotics made modern farming possible. By abusing them, we risk everything”. In the article he discusses veterinary antimicrobial drug use in animals.


New Diagnostic Tool Aims to Reduce Spread of Cat Virus

Feline immunodeficiency virus affects immune system. There’s a virus among cats that is almost identical to HIV in humans. It’s called feline immunodeficiency virus (FIV) and just like HIV, one of the biggest challenges is finding ways to stop it from spreading.  Prof. Dorothee Bienzle has found a way. The U of G pathobiologist has played a key role in developing a test that is highly accurate in diagnosing cats with the virus.

Researchers Aim to Clip Wings of Avian Disease

Prof. Dale Smith is one of the first to develop the tools needed to stop the spread of a deadly wasting disease that is killing pet birds across the globe.