Webinar: Managing Resistance to Parasiticides

The practice of using parasiticides on cattle has been around for a long time.

March 17, 2020


Date: Mar 17, 2020

Available On-Demand


In this session of Science Talks, Dr. Bill Epperson from Mississippi State and Dr. Harold Newcomb from Merck Animal Health discuss the importance of an effective internal parasite control program and the challenge of parasite resistance.  Viewers will gain insights on what to consider in developing effective de-worming programs and recommendations for managing parasite resistance.


Dr. William Epperson, DVM, MS
Professor and Head, Department of Pathobiology and Population Medicine
College of Veterinary Medicine, Mississippi State University

Dr. William Epperson, DVM, MS, is Professor and Head, Department of Pathobiology and Population Medicine, at the College of Veterinary Medicine, Mississippi State University. He formerly held positions in private veterinary practice, the pharmaceutical industry, and at two other land grant institutions. A focus within his academic positions has been outreach and applied research. He is board certified in veterinary preventive medicine and holds subspecialty certification in veterinary epidemiology. He has special interest in the development of programs directed at measurement and control of bovine respiratory disease, neonatal calf disease, and bovine internal parasitism. Dr. Epperson has been investigator on grants totaling over $11M. He has developed and taught undergraduate, graduate, and professional coursework, in both traditional and on-line formats. At Mississippi State, he leads 42 faculty specializing in clinical medicine, diagnostic medicine, and epidemiology.

Harold Newcomb DVM
Technical Service Veterinarian
Merck Animal Health

Dr. Newcomb graduated from MS State University College of Veterinary Medicine in 1984. He practiced in Batesville MS for 18 years in a mixed animal practice doing primarily cow/calf stocker medicine. He has been employed as a technical services veterinarian since 2003. His primary areas of interest are economic and production medicine. He is also involved in the family cow/calf operation.

Burt Rutherford - Moderator
Director of Content, Senior Editor
BEEF Magazine

Burt Rutherford is director of content and senior editor of BEEF. He has nearly 40 years’ experience communicating about the beef industry. A Colorado native and graduate of Colorado State University with a degree in agricultural journalism, he now works from his home base in Colorado. He worked as communications director for the North American Limousin Foundation and editor of the Western Livestock Journal before spending 21 years as communications director for the Texas Cattle Feeders Association. He works to keep BEEF readers informed of trends and production practices to bolster the bottom line.

Merck Animal Health

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