Show centre’s contaminated hay causes horses to fail dope tests

The riders of two horses who failed dope tests while competing at Vilamoura in Portgual have been disqualified after it was found the positive tests were caused by contaminated hay bought at the venue.

Brazilian showjumper Marlon Modolo Zanotelli’s ride Sirene De La Motte and British rider Henry Turrell’s Blaze of Glory II both tested positive for sparteine, which is used to treat cardiac arrhythmia and stimulate uterine contractions, at the Portuguese centre at shows last February and March respectively.

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Article written by: Eleanor Jones