Picture of                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Andrew Allen

Andrew Allen Professor, Department of Veterinary Pathology

Research Area(s)

  • Clinically oriented and diagnostic anatomic pathology

Academic Credentials

  • DVM, University of Saskatchewan, 1987
  • MVetSc, University of Saskatchewan, 1992
  • PhD, University of Saskatchewan, 1997 

Research Interests

Dr. Allen's research focuses on clinically oriented and diagnostic anatomic pathology. He uses gross postmortem examinations, histopathology, ancillary diagnostic tests, fundamental epidemiological techniques, and experiments to investigate naturally occurring diseases of domestic animals. He has been investigating congenital hypothyroidism of foals for many years.


* Indicates the lead or main or corresponding author.
Names in bold indicate Andrew Allen as well as any undergraduate student or any graduate student being supervised and serving as a collaborator / coauthor

E. Tourigny*, R. Thomas, E. Guiry, R. Earp, A. Allen, J.L. Rothenburger, D. Lawler, M. Nussbaumer, 2015.  An Osteobiography of a 19th-Century Dog from Toronto, Canada.  International Journal of Osteoarchaeology, accepted April 13, 2015; published online August 2015.

T. SmythA.L. Allen, J.L. Carmalt*.  The Equine Temporomandibular Joint: A Case of Clinically Significant, Non-Traumatic Degenerative Joint Disease.  Equine Veterinary Education, accepted March 15, 2015; published online June 2015.

S. SridharanA.L. Allen, B. Kidney, A.N. Al-Dissi*, 2015.  Metallothionein Expression in Dogs with Chronic Hepatitis and its Correlation with Hepatic Fibrosis, Inflammation and Ki-67 Expression.  Veterinary Pathology, 52, 1127-1133.

K.L. Lohmann, A.L. Allen*, 2015.  Chronic Active Interstitial Pancreatitis as a Cause of Transverse Colonic Obstruction and Colic in a Horse.  Canadian Veterinary Journal, 56, 1177-1180.

L.A. Gyan, C.D. Paetsch, M.D. Jelinski, A.L. Allen*, 2015. The Lesions of Toe Tip Necrosis in Southern Alberta Feedlot Cattle Provide Insight into the Pathogenesis of the Disease.  Canadian Veterinary Journal, 56, 1134-1139.

L.S. Sandmeyer*, V. Vujanovic, L. Petrie, J.R. Campbell, B.S. Bauer, A.L. Allen, B.H. Grahn, 2015.  Optic Neuropathy in a Herd of Beef Cattle in Alberta Associated with Consumption of Moldy Corn.  Canadian Veterinary Journal, 56, 249-256.

F. Sampieri*, A.L. Allen, J. Alcorn, C.R. Clark, F.A. Vannucci, N. Pusterla, S.M. Mapes, K.R. Ball, P.M. Dowling, J. Thompson, L.R. Bernstein, C.J. Gebhart, D.L. Hamilton, 2014.  Efficacy of Gallium Maltolate Against Lawsonia intracellularis Infection in a Rabbit Model.  Journal of Veterinary Pharmacology and Therapeutics, 37, 571-578.

F. Sampieri*, J. Alcorn, A.L. Allen, C.R. Clark, F.A. Vannucci, N. Pusterla, S. Mapes, K.R. Ball, P.M. Dowling, J. Thompson, L.R. Bernstein, C.J. Gebhart, and D.L. Hamilton, 2014.  Pharmacokinetics of Gallium Maltolate in Lawsonia intracellularis-Infected and Uninfected Rabbits.  Journal of Veterinary Pharmacology and Therapeutics, 37, 486-499.

A.L. Allen, 2014.  Congenital Hypothyroidism in Horses:  Looking Back and Looking Ahead.  (Invited Clinical Commentary)  Equine Veterinary Education, 26, 190–193.

F. Sampieri*, F.A. Vannucci, A.L. Allen, Nicola Pusterla, A.J. Antonopoulos, K.R. Ball, J. Thompson, P.M. Dowling, D.L. Hamilton, and C.J. Gebhart, 2013.  Species-Specificity of Equine and Porcine L. intracellularis Isolates in Laboratory Animals.  Canadian Journal of Veterinary Research, 77, 261- 272.

A.L. Allen*, B.A. Goupil, and B.A. Valentine, 2013.  A Retrospective Study of Brain Lesions in Goats Submitted to Three Veterinary Diagnostic Laboratories.  Journal of Veterinary Diagnostic Investigation, 25, 482-489.

K.L. Lohmann*, A.M. Lopez, S.T. Manning, F.J. Marques, R. Brownlie, A.L. Allen, A.E. Sangster, G. Mutwiri, V. Gerdts, A. Potter, and H.G.G. Townsend, 2013.  Failure of a VapA/CpG Oligodeoxynucleotide Vaccine to Protect Foals Against Experimental Rhodococcus equi Pneumonia Despite Induction of VapA-Specific Antibody and Interferon-g Response.  Canadian Journal of Veterinary Research, 77, 161-169.

F. Sampieri*, A.L. Allen, N. Pusterla, F.A. Vannucci, A.J. Antonopoulos, K.R. Ball, J. Thompson, P.M. Dowling, D.L. Hamilton, and C.J. Gebhart, 2013.  The Rabbit as an Infection Model for Equine Proliferative Enteropathy.  Canadian Journal of Veterinary Research, 77, 110-119.

A.L. Allen*, B.A. Goupil, and B.A. Valentine, 2012.  A Retrospective Study of Spinal Cord Lesions in Goats Submitted to 3 Veterinary Diagnostic Laboratories.  Canadian Veterinary Journal, 53, 639-642.

B.K. Wobeser*, J.E. Hill, M.L. Jackson, B.A. Kidney, M.N. Mayer, H.G G. Townsend, and A.L. Allen, 2012.  Localization of Bovine Papillomavirus in Equine Sarcoids and Inflammatory Skin Conditions of Horses Using Laser Microdissection and Two Forms of DNA Amplification.  Journal of Veterinary Diagnostic Investigation, 24, 32-41.

L. Panizzi*, S.M. Barber, H.M. Lang, A.L. Allen, and M.R. Woodbury, 2011.  Evaluation of a Minimally Invasive Arthrodesis Technique for the Carpometacarpal Joint in Horses.  Veterinary Surgery, 40, 464-472.

R.J. Losey*, V.I. Bazaliiskii, S. Garvie-Lok, M. Germonpré, J.A. Leonard, A.L. Allen, M.A.Katzenberg, and M.V. Sablin, 2011.  Canids as Persons: Early Neolithic Dog and Wolf Burials, Cis-Baikal, Siberia.  Journal of Anthropological Archaeology, 30, 174-189.

R.R.E. Wolker*, D.G. Wilson, A.L. Allen, and J.L Carmalt, 2011.  Evaluation of Ethyl Alcohol for Use in a Minimally Invasive Technique for Equine Proximal Interphalangeal Joint Arthrodesis.  Veterinary Surgery, 40, 291-298.

K.L. Lohmann*, S.R. Lewis, B.K. Wobeser, and A.L. Allen, 2010.  Penetrating Metallic Foreign Bodies as a Cause of Peritonitis in 3 Horses.  Canadian Veterinary Journal, 51, 1400-1404.

B.K. Wobeser*, J.L. Davies, J.E. Hill, M.L. Jackson, B.A. Kidney, M.N. Mayer, H.G.G. Townsend, and A.L. Allen, 2010.  Epidemiology of Sarcoids in Horses in Western Canada.  Canadian Veterinary Journal, 51, 1103-1108.

D.M. Tatarniuk*, J.L. Carmalt, and A.L. Allen, 2010.  Induration of the Cricoid Cartilage Complicates Prosthetic Laryngoplasty in a Horse.  Veterinary Surgery, 39, 128-130.