Dutch showjumper Sanne Thijssen’s ride Sara Galotiere, who suffered the fatal injury in a class on 30 December, tested positive for ketamine and altrenogest.
Sanne received a letter this month suspending her for six months, but says she did not know the horse had been tested.
“It was a very strange story,” Sanne’s mother Dorien said. “The vet gave [the mare] painkillers, and she was later put to sleep.
“Sanne was so sad, she wanted to stay but wasn’t allowed. We begged the vets to let her; she didn’t want her horse to die alone, but they said no. She was alone; we don’t know what happened.”
Sanne consulted vets, who said ketamine is used to anaesthetise horses, as well as being a painkiller, so they believe it may have been given due to the injury.
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Rider Denies Doping After Team Loses Olympic Placing - Tine Magnus and the Belgian team said they do not know the source of the drug that caused the positive test
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