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Professor of Parasitology

Pathobiology Department

Senior Associate Dean

+1 (473) 444-4175 ext. 3671



School of Veterinary Medicine

St. George’s University

True Blue, St. George’s

Grenada, West Indies


Dr. Kaplan is a Professor in the Department Pathobiology in the School of Veterinary Medicine at St. George’s University, where he also serves as the Senior Associate Dean. Dr. Kaplan received his bachelor’s degree from Virginia Tech and his DVM from Virginia-Maryland College of Veterinary Medicine.  He worked as a clinical veterinarian in a mixed-species private practice in Pennsylvania for several years before earning a PhD in Veterinary Parasitology at the University of Florida.  He then served in the US Army Veterinary Corps at the Walter Reed Army Institute of Research, where he was Chief of Parasite Biology in the Division of Experimental Therapeutics. Prior to his position at St. George’s University, Dr. Kaplan was a Professor at the University of Georgia College of Veterinary Medicine for 23 years, where he performed research, teaching and service in veterinary parasitology. Dr. Kaplan’s research program is focused on measuring, understanding, and solving the problem of drug resistance in helminth parasites.  He is a Diplomate of both the American College of Veterinary Microbiologists (Parasitology) and the European Veterinary Parasitology College, and is a past President of the American Association of Veterinary Parasitologists.  Dr. Kaplan also is recipient of the Pfizer Award for Research Excellence, the University of Georgia Charles N. Dobbins Award for Excellence in Service, the Dr. Fred C. Davison Award for outstanding service to veterinary medicine, and in 2018 he received the American Association of Veterinary Parasitologists – Boehringer Ingelheim Distinguished Veterinary Parasitologist Award.



Conference proceedings
Biology of Anthelmintic Resistance: These Ain't Your Father's Parasites - 10th Anniversary Conference of the American Consortium for Small Ruminant Parasite Control, Fort Valley, Georgia [May 2013].

Determining the Level of Efficacy in Anthelmintics; Dr. Ray Kaplan; W4: What Works With Worms Congress, Pretoria, South Africa [May 2015].

How and Why Resistance to Worms Develops; Dr. Ray Kaplan; W4: What Works With Worms Congress, Pretoria, South Africa [May 2015].

Opening a parasitic drug resistance can of worms - Finding Genius Podcast  [June 2020]

Timely Topics
Combination Dewormers:  The Time is Now [January 2017]
Responding to the emergence of multiple-drug resistant Haemonchus contortus: smart drenching and FAMACHA© [December 2008]
Should I consider using LongRange™ dewormer for parasite control in small ruminants? [August 2014]

Last updated 05.20.22

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