Oklahoma State University

Faculty & Staff Directory
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Snider, Timothy A

Associate Professor

Specialty: Diagnostic anatomic pathology, large animal medicine and pathology

BS Animal Science: Oklahoma State University, 1993
DVM: Oklahoma State University, 1996
Pathology Residency: University of Tennessee, 2001
PhD in Infectious Diseases: Oklahoma State University, 2005

American College of Veterinary Pathologists (ACVP)

Department: Veterinary Pathobiology

Contact Information:
Veterinary Pathobiology
250 McElroy Hall
Stillwater, OK 74078
Office: (405) 744-0488
Fax: (405) 744-8275
Send eMail


Dr. Tim Snider is a board-certified veterinary pathologist providing service, teaching, and research activities to the Oklahoma State Center for Veterinary Health Sciences. He practiced mixed animal veterinary medicine in rural Oklahoma for three years prior to returning to academia and completing advanced training and education at the University of Tennessee and Oklahoma State University. Currently, Dr. Sniderís service activities include diagnostic necropsy and surgical biopsy service for all animal species. He teaches general pathology, the pathobiology components of various professional courses, and teaches a course in zoonotic diseases. His primary research focus is pre-harvest food safety with E. coli O157 cattle studies, and he collaborates on other projects requiring pathology and diagnostic support. He is married, has three children, and raises cattle, horses, and hay on 40 acres.

Licenses: Oklahoma, Tennessee

Fields of Interest:

Pathology of alimentary, nervous, and reproductive systems; pathology of parasitic disease; zoonotic and emerging diseases; international rural development and animal health assistance; diseases of swine; large animal medicine and pathology

Current Research Focus:

Modeling of intestinal bacterial disease, especially of E. coli O157 in cattle.

Co-Investigator: Various field and experimental studies in the fields of alimentary pathology, oncology, parasitology, exotic animal medicine, etc.

Professional Affiliations:



Selected Publications:

  • Snider TA, et al, Evaluation of a model for E. coli O157:H7 Colonization in Streptomycin-Treated Adult Cattle, Amer Journ of Veterinary Research 2006; 67-1914-1920.
  • Washburn KE, Streeter RN, Lehenbauer TW, Snider TA, et al. Comparison of core needle biopsy and fine-needle aspiration of enlarged peripheral lymph nodes for antemortem diagnosis of enzootic bovine lymphosarcoma in cattle. J Am Vet Med Assoc. 2007 Jan 15;230(2):228-32.
  • Singh K, Flood J, Welsh RD, Wyckoff JH, Snider TA, Sutton DA. Fatal systemic phaeohyphomycosis caused by Ochroconis gallopavum in a dog (Canis familaris). Vet Pathol. 2006 Nov;43(6):988-92.
  • Snider TA, Joyner P, Clinkenbeard KC. Disseminated histoplasmosis in an African Pygmy Hedgehog. J Am Vet Med Assoc., in press, 2007.
  • Snider, T.A. Umbilical cord torsion and coiling as a cause of dystocia and intrauterine foal loss. Equine Veterinary Education, Volume 19, Number 10, November 2007 , pp. 532-534(3)

Partial Publication List: (PubMed) http://www.ncbi.nlm.nih.gov/pubmed?term=Snider%20TA


Courses Taught:


  • General Pathology
  • Diagnostic Pathology - Necropsy Rotation
  • Theriogenology-Pathology
  • Infectious Diseases 1 (Bacteriology/Mycology)
  • Zoonotic Diseases
  • International Veterinary Medicine
  • Multisystemic Disease Elective
  • Veterinary Pathobiology - Graduate Course
  • Descriptive Slide Conference