Bradley L. Njaa


BSc (Hons) 1987, Physiology, University of Saskatchewan (U of S)
DVM 1991, Western College of Veterinary Medicine (WCVM), U of S
MVSc 1999, Veterinary Anatomic Pathology, WCVM, U of S
Diplomate 2000, American College of Veterinary Pathologists

Office: L-223 Mosier Hall
Phone: (785)532-4461


Diagnostic Anatomic Pathology (Autopsies, Biopsies)
System expertise: otic, ophthalmic, respiratory, reproductive, cutaneous
Species expertise: bovine, equine, canine, feline, avian, reptilian


Senior Veterinary Student Necropsy Rotation (DMP 785)
Anatomic Pathology Resident Training
Systemic Pathology course (DMP 740) (special senses)


Special sense pathology (Otic and Ophthalmic)
Pathology support in collaborative research projects
Disease investigation related to KSVDL diagnostic cases

Book Chapters

Brian Wilcock and Bradley L. Njaa (2016): Special Senses. In: Jubb, Kennedy, and Palmer’s Pathology of Domestic Animals, Volume 1, Maxie, 6th ed. Elsevier.

Bradley L. Njaa (2016): “Chapter 20: Ear.” In: Pathologic Basis of Veterinary Disease, Zachary, 6th ed. Elsevier.

Bradley L. Njaa (2017): “Chapter 21: Tumors of the Ear.” In: Tumors in Domestic Animals, Meuten, 5th ed. Wiley-Blackwell.

Book Editing

Kirkbrides Diagnosis of Abortion and Neonatal Loss in Animals, 4th Edition, Edited by BL Njaa, John Wiley & Sons, February 28, 2012.

Bradley L. Njaa, Lynette Cole, co-editors “Otology and Otic Pathology” in Veterinary Clinics of North America, Small Animal Practice, Elsevier, November 2012

Selected Recent Publications

Sula MM, Njaa BL, Payton ME (2014) Histologic characterization of the Cat Middle Ear: In sickness and in Health. Vet Pathol Sep;51(5):951-67.

Njaa BL, Sula MM (2012): Histologic preparation and interpretation of ear disease in dogs and cats. Vet Clinics of North Amer Small Animal Pract 42 (6) Nov: 1127-35.

Njaa BL, Cole L, Tabacca N (2012): Practical anatomy and physiology of the ear in dogs and cats, Vet Clin of North Amer Small Animal Pract 42 (6) Nov: 1109-26.

Qualls HJ, Holbrook TC, Gilliam LL, Njaa BL, Panciera RJ, Pope CN, Payton M, (2013) Evaluation of three gastrointestinal therapeutics in an animal model of equine cantharidin toxicosis. J Vet Intern Med Sep-Oct;27(5):1179-84.

Spesock A, Malur M, Hossain MJ, Chen L-M, Njaa BL, Davis CT, Lipatov AS, York I, Krug RM, Donis RO, (July 2011) The Virulence of 1997 H5N1 Influenza Viruses in the Mouse Model Is Increased By Correcting a Defect in Their NS1 Proteins, J Virol, 85(14):7048-7058.

Cramer SD, Campbell GA, Njaa BL, Morgan SE, Smith SA, Brodersen BW, Langhor IM, Maes RK, (2011) Pseudorabies Virus Infection in Oklahoma Hunting Dogs. J Vet Diagn Invest Sep;23(5):915-923.