MSD Manual

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Todd Duffield, DVM, DVSc

Specialties and Expertise

  • Dairy health management; Metabolic diseases of dairy cattle; Pain management of dairy cattle


  • DVM and DVSc: University of Guelph

Select Awards, Achievements, and Publications

  • Award of Excellence, Ontario Association of Bovine Practitioners, 2021
  • JDS Club 100, Journal of Dairy Science, 2019
  • Metacam 20 Bovine Welfare Award, Canadian Association of Bovine Veterinarians, 2018
  • MSD Veterinary Award, Canadian Veterinary Medical Association, 2012

Manual Chapters and Commentaries