bisphosphonate

Several changes to the British Rules of Racing were confirmed by the British Horseracing Authority on Thursday. These changes, which will come into effect in the coming months, were approved by the BHA Board, following engagement with and feedback from participants and stakeholders. The changes are as follows: All horses entered to run in a race in Britain must be signed out of the human food chain via its passport by Jan. 1, 2022. The UK's equine influenza vaccination requirements were updated to bring them in line with other European...

The John Sadler-trained Flagstaff (Speightstown) has been disqualified from a second-place finish in last September's GII Santa Anita Sprint Championship S. after testing positive for clodronic acid, a bisphosphonate otherwise known as Osphos, according to a steward's ruling from Saturday. According to the ruling, the $40,000 in prize money earnings awarded to owners Lane's End Racing and Hronis Racing, jockey Victor Espinoza and Sadler will be redistributed. Currently unclassified, clodronic acid is by default deemed a class 1, penalty A drug, and it's currently in the process of being classified...