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,...