Kenneth L. Maddy Equine Analytical Chemistry Laboratory

All samples collected from 2021 Breeders' Cup horses have been cleared by the Kenneth L. Maddy Equine Analytical Chemistry Laboratory at the University of California, Davis. All horses competing in Breeders' Cup races this past weekend at Del Mar were tested for TCO2 levels in blood. Post-race testing was performed for prohibited drugs on the first four finishers in all Breeders' Cup races and any additional random horses selected by the stewards consistent with California Horse Racing Board protocol. Post-race testing was done on both blood and urine samples. The...