post-race testing

The post-race tests for banned substances in GI Kentucky Derby and GI Longines Kentucky Oaks horses have cleared, the Kentucky Horse Racing Commission announced Wednesday. "The Kentucky Horse Racing Commission (KHRC) has received laboratory results from post-race samples taken on May 6, and May 7, 2022, at Churchill Downs," said the KHRC press release. "All samples for both days were cleared. This includes the post-race samples from the Kentucky Oaks and the Kentucky Derby."

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...

In a release authored by its Executive Director Erica Minks, the North American Association of Racetrack Veterinarians (NAARV) is calling on the racing industry to adopt "rational thresholds" as they relate to post-race testing of racehorses. The release comes in the ongoing aftermath of Medina Spirit's positive test for betamethasone, which registered 21 picograms per milliliter. "The North American Association of Racetrack Veterinarians has advocated for rational and common-sense thresholds for therapeutic medications in racing horses since its inception in 2014," the release says. "As recently as December 2020, NAARV,...