The Fédération Equestre Internationale (FEI) has announced that two sporthorses have  tested positive for prohibited substances.

Samples taken at the CSIO2* in Tehran, Iran, which took place Sept. 22-24, from the horse Sir de Diamant, ridden by Mohammad Davoud Shekofti, of Iran, have returned positive for the banned substance stanozolol and its metabolite 16β-hydroxy-stanozolol, an anabolic steroid that promotes muscle mass. The horse’s sample also tested positive for the controlled medication substances dexamethasone (a corticosteroid used to treat inflammatory and auto-immune conditions) and the non-steroidal anti-inflammatory drug flunixin meglumine.

Further, samples taken at the Young Horse Endurance Championships in Valeggio sul Minico, Italy, on Sept. 26, from the horse Barbaforte Bosana, ridden by Camilla Malta, of Italy, have tested positive for the banned substance ergonovine, a vasoconstrictor.

Both athletes have been provisionally suspended from the date of notification (Nov. 16). The horses have also been provisionally suspended for a two-month period