Saturday, May 4, will mark the 139th running of the Kentucky Derby, the iconic race for 3-year-old thoroughbreds that has been hailed as the “Greatest Two Minutes in Sports.”

Veterinarian Rick Arthur, the equine medical director at the Kenneth L. Maddy Equine Analytical Chemistry Laboratory at UC Davis, and for the California Horse Racing Board, is an expert on horse racing injuries, regulation, drug testing, anabolic steroids, medications, veterinary procedures and pre-race veterinary examinations.

His joint appointment to the racing board and the Maddy Laboratory, which is operated by the UC Davis School of Veterinary Medicine, involves research and development of drug-testing policies, as well as analysis of laboratory findings and industry education. Contact: Rick Arthur, UC Davis School of Veterinary Medicine, (626) 241-0682, rmarthur@ucdavis.edu.