Diagnostic Sciences

Our veterinary diagnostic faculty are all part of the the Animal Health Diagnostic Center (AHDC), one of the most comprehensive veterinary diagnostic laboratories in the country.  

The sophisticated and comprehensive diagnostic capabilities of our faculty include anatomic pathology (necropsy and histopathology services), clinical pathology (hematology, hemostasis, cytology, endocrinology), nutritional and toxicology testing. Infectious disease sections span all relevant disciplines including bacteriology, mycology, parasitology, and virology with a wide range of culture capabilities and available cell lines. The molecular diagnostics laboratory has high-throughput capacity for identifying defined and novel pathogenic and non-pathogenic organisms, mutation detection for genetic disease, and whole genome sequencing of bacterial isolates.

The AHDC services include large and small-scale testing for academic and industry research and development. We excel in assay customization and integrated diagnostic support, with flexibility to meet the needs of clients engaged in basic and applied research and development.

Executive Director

Francois Elvinger, Professor, Associate Dean for Diagnostic Operations and Government Relations  


Anatomic Pathology

Elizabeth Buckles, Associate Clinical Professor
Alina Demeter, Assistant Clinical Professor
Gerald Duhamel, Professor
Mason Jager, Assistant Research Professor
Sean McDonough, Professor
Andrew Miller, Associate Professor, Section Chief
Jeanine Peters-Kennedy, Associate Clinical Professor
Ryan Taylor, Assistant Clinical Professor

Avian Disease

Gavin Hitchener, Senior Extension Associate, Director of the Duck Lab

Bacteriology and Mycology

Craig Altier, Professor
Cassandra Guarino, Assistant Professor of Practice, Director of Bacteriology

Clinical Pathology

Ashleigh Newman, Assistant Clinical Professor
Tracy Stokol, Professor
Julie Webb, Assistant Clinical Professor, Director of Clinical Pathology

Comparative Coagulation

Marjory Brooks, Director of Comparative Coagulation, Professor of Practice


Jorge Adarraga, Extension Associate
Wendy J. Hartman, Extension Associate
Lauren Jacobsen, Extension Associate
Ned Place, Professor, Director of Endocrinology
Barbara Schanbacher, Extension Associate

Molecular Diagnostics

Mani Lejeune, Director of Molecular Diagnostics, Associate Professor of Practice


Mani Lejeune, Director of Clinical Parasitology, Associate Professor of Practice

Quality Milk Production Services

Wolfgang Heuwieser, Professor, Director of Quality Milk Production Services
Daryl Nydam, Faculty Director, Atkinson Center for Sustainability
Paul Virkler, Senior Extension Associate
Rick Watters, Senior Extension Associate
Matthias Wieland, Assistant Professor
Michael Zurakowski, Senior Extension Associate

Serology and Immunology

Anja Sipka, Senior Research Associate
Bettina Wagner, Director of Serology and Immunology, Professor


Karyn Bischoff, Associate Professor of Practice

Veterinary Support Services

Elisha Frye, Assistant Professor of Practice
Erin Goodrich, Associate Professor of Practice, Director of VSS
Toby Pinn-Woodcock, Assistant Clinical Professor
Kimberly Snedden, Assistant Professor of Practice


Leonardo Caserta, Senior Research Associate, Interim Associate Director of Virology
Diego Diel, Associate Professor, Director of Virology, Interim Department Chair

External Faculty

Wildlife Health (all Wildlife Health faculty are appointed in the Department of Public and Ecosystem Health)

Rachel Abbott, Extension Associate
Elizabeth Bunting, Associate Professor of Practice
Brenda Hanley, Research Associate
Krysten Schuler, Assistant Research Professor