John Madigan, DVM, MS, Dipl. ACVIM

John E. Madigan, DVM, MS, Dipl. ACVIM,is a professor in the department of Medicine and Epidemiology at the School of Veterinary Medicine at the University of California, Davis. His areas of expertise include equine welfare, equine helicopter rescue, trigeminal mediated headshaking, potomac horse fever, anaplasma infection in horses and humans, veterinary emergency response, and equine veterinary education. He is also interested in neonatal medicine; his book, Manual of Equine Neonatal Medicine, is available in the fourth edition of the text.

Articles by John E. Madigan

PHF Vaccine Efficacy: Better Safe than Sorry?

Has there been new research completed on the available vaccines for Potomac horse fever? Read More

Headshaking Problem

My horse is driving me crazy! Every time we go out to ride, he starts flipping his head. I've changed his bridle, put on gallons of fly wipe, and had his ears and eyes checked. What is his problem, and what else can I try? Read More