Trainer fined £2,000 after Cheltenham Festival favourite fails drug test
The drug is allowed to be used in horses in training, but must not be present in a horse's system on a raceday
News on all doping scandals and enquiries taking place in equestrian sport
The drug is allowed to be used in horses in training, but must not be present in a horse's system on a raceday
An amateur rider who stored a homeopathic remedy in an empty tramadol bottle has been disqualified from competition for 15 months
The rider and the owner’s wife were unaware he was using the product
The trailblazing rider has been suspended for four weeks after testing positive for a banned substance
The Court of Arbitration for Sport has also ruled the horses' temporary suspensions be lifted after evidence showed their feed had been contaminated
The FEI has introduced a new "specified substance" category to its anti-doping rules
The FEI Tribunal has suspended two UAE riders for one year in the same case
All of the horses were taking part in events at the Al Wathba venue in Abu Dhabi when they were tested
"To have back-to-back clean Games in London and Rio is something for any sport to be proud of", said FEI president Ingmar De Vos
Martin Keighley said he is looking forward to the next Festival and Any Currency's next run, where he and his team "will be all the more determined to win"
A British Horseracing Authority disciplinary panel has disqualified Any Currency from the race, but ordered that trainer Martin Keighley pay no fine
The Court of Arbitration for Sport has dismissed an appeal by the Russian Paralympic Committee
The identification of banned substances in their horses has lead to the riders being suspended for a two-year period
The pair will not be allowed to take part in this summer's Games, but the other Russian pentathletes can compete
A decision is due on whether all Russian athletes will be banned from Rio 2016 following the publication of a report exposing state-sponsored doping
Find out what efforts Team GBR are taking to ensure the squad doesn't suffer from an accidental positive prohibited substance test in Rio
Police in New Zealand discovered the record-breaking haul of the class A drug inside the 400kg sculpture
The World Anti-Doping Agency (WADA) has put a temporary ban on the laboratory from carrying out any anti-doping analysis on blood or urine samples
Each of the riders' horses tested positive for the same prohibited substance, which has never before been found in horses competing under FEI rules
A new online e-learning course has been launched to help riders and grooms get up to speed with anti-doping