Harold C. McKenzie, III, DVM, MS, Diplomate ACVIM

Assistant Professor
Equine Medicine
hmckenzi@vt.edu
(703) 771-6803

Dr. McKenzie is an assistant professor of equine medicine at Virginia Tech’s Marion duPont Scott Equine Medical Center. He earned a doctor of veterinary medicine from the University of Georgia’s College of Veterinary Medicine in 1990. Following graduation, Dr. McKenzie joined Monocacy Equine Veterinary Associates, a private equine practice in Montgomery County, Maryland, where he practiced until 1995. He entered the equine internal medicine residency program at the Marion duPont Scott Equine Medical Center in January 1995 and received a master of science in veterinary medical sciences from the Virginia-Maryland Regional College of Veterinary Medicine in 1998. Dr. McKenzie served as a clinical instructor in equine medicine at the center from 1998 to 2003, and was promoted to his current position in 2003. He achieved Diplomate status in the American College of Veterinary Internal Medicine in 2000. Dr. McKenzie’s research interests include aerosol therapy, respiratory disease, critical care and endocrinology. He is a member of the American Association of Equine Practitioners (AAEP), the American Veterinary Medical Association, the Virginia Association of Equine Practitioners and the Virginia Veterinary Medical Association.

Visit Dr. McKenzie's homepage.

Read Dr. McKenzie’s article, “Your Horse’s Health: Treating Foal Pneumonia” (PDF). Republished by permission from The Middleburg Eccentric.
 

Selected Publications:

  • Mitchell, E, Furr, MO, McKenzie, H.C. Antimicrobial Therapy for Bacterial Meningitis, Equine Veterinary Education, July 2007, Volume 19, Pages 316-323.
  • Krause, J. B., McKenzie, H.C., Parenteral Nutrition in Foals: A Retrospective Study of 53 Cases (2000-2004), Equine Veterinary Journal, January 2007, Volume 39, Pages 74-78.
  • Navas de Solis, C., McKenzie, H.C., Serum Concentrations of Lidocaine and Its Metabolites MEGX and GX During and After Prolonged Intravenous Infusion of Lidocaine in Horses Following Colic Surgery, Journal of Equine Veterinary Science, 2007, Volume 27, Pages 398-404.
  • Mitchell E., Furr M.O. and McKenzie H.C., Bacterial Meningitis in Five Mature Horses, Equine Veterinary Education, 2006 Oct, Volume 8, Pages 321-327.
  • McKenzie H.C., Treating Foal Pneumonia, Compendium: Equine Edition Spring 2006. (View PDF)
  • Atherton R.A., McKenzie H.C., Alternative Antimicrobials in the Treatment of Equine Proliferative Enteropathy. Journal of Equine Veterinary Science, 2006, Volume 26, Pages 535-541.
  • Furr M.O., McKenzie H.C., Savillle W.J.A., Dubey J.P., Reed S.M., Davis W., Prophylactic Administration of Ponazuril Reduces Clinical Signs and Delays Seroconversion in Horses Challenged with Sarcocystis Neurona, American Society of Parasitologists, 2006.
  • Johnson A.L., Divers T.J., Freckleton M.L.,McKenzie H.C., Mitchell E., Cullen J.M., McDonough S.P., Fall Panicum (Panicum dichotomiflorum) Jepatotoxicosis in Horses and Sheep, ACVIM, 2006.
    (View PDF) JVIM Online Journals
  • Pantaleon L.G., Furr M.O., McKenzie H.C., Donaldson L., Cardiovascular and Pulmonary Effects of Hetastarch Plus Hypertonic Saline Solutions During Experimental Endotoxemia in Anesthetized Horses, Journal of Veterinary Internal Medicine, 2006, Volume 20, Pages 1422-1428.
    (View PDF) JVIM Online Journals
  • Brandstetter L.R., Doyle-Jones P.S., McKenzie H.C., Persistent Vaginal Haemorrhage Due to Uterine Leiomyoma in a Mare, Equine Veterinary Education, Jun-05.
  • McKenzie H.C., Characterization of Antimicrobial Aerosols for Administration to Horses, Veterinary Therapeutics, Sep-03.
  • McKenzie H.C. and Furr M.O., Aminoglycoside Antibiotics in Neonatal Foals, Compendium: Equine Edition Vol. 25 No. 6 June 2003. (View PDF)
  • Dunkel B. and McKenzie H.C., Severe Hypertriglyceridaemia in Clinically Ill Horses: Diagnosis, Treatment and Outcome, Equine Veterinary Journal, 2003, Volume 35, Pages 590-595.
  • Lopes M.A.F., Hepburn R.J., McKenzie H.C., Sykes B.W., McGhee J.D, Enteral Fluid Therapy for Horses, Compendium on Continuing Education for the Practicing Vet, 2003, Volume 25, Pages 390-397.
  • McKenzie H.C. and Furr M.O., Equine Neonatal Sepsis: The Pathophysiology of Severe Inflammation and Infection, Compendium: Equine Edition Vol. 23 No. 7 July 2001. (View PDF)
  • Corley K.T., McKenzie H.C., Amoroso L.M., Furr M.O., Initial Experience with Norepinephrine Infusion in Hypotensive Critically Ill Foals, Veterinary Emergency Critical Care, 2001, Pages 267-276.
  • McKenzie H.C., Murray M.J., Concentrations of Gentamicin in Serum and Bronchial Lavage Fluid After Intravenous and Aerosol Administration of Gentamicin to Horses, American Journal of Veterinary Research, Oct-00.