The 'mysterious' positive drug test of Courtney King-Dye's Olympic dressage mount, Harmony's Mythilus, which resulted in elimination for the U.S. team in Hong Kong, raises questions about the FEI's policy.
Brazilian Rodrigo Pessoa's 2008 Olympic mount, Rufus, has tested positive in both his A and B sample for the prohibited substance nonivamide.
Canada's Eric Lamaze wins Olympic individual show jumping gold, as Sweden's Rolf-Goran Bengtsson takes silver. America's Beezie Madden beats out seven other top riders in a jump-off for bronze.
Four riders will not compete in the individual Olympic jumping competition because their horses tested positive for capsaicin.
The Netherlands' Anky van Grunsven wins her third individual dressage Olympic gold medal in a row, while America's Steffen Peters just barely misses his chance for a bronze.
The U.S. is tied for the lead with Switzerland after Day 1 of the Olympic Nations' Cup, and the USA's McLain Ward is tied with Canada's Eric Lamaze for first place in the individual medal race.
Isabell Werth takes the lead in the Grand Prix Special while Steffen Peters' performance puts him fourth going into the 2008 Olympic dressage freestyle and in the running for an individual medal.
The morning after the grand prix, U.S. team veterinarian Dr. Rick Mitchell gave Brentina a thorough exam and pronounced her fit, as he had just before she went into the warm-up for the competition.
The Germans hold onto their gold medal dominance, while the Danes bring home their first equestrian team medal, finishing third in the 2008 Olympic dressage competition.
After the first day of Olympic grand prix dressage, Heike Kemmer leads, while America's Courtney King-Dye stands fourth.
America's Gina Miles provides a silver lining to the U.S. by earning individual silver in the Olympic eventing competition. Germany wins gold in team and individual.
After the final day of dressage, the U.S. Olympic eventing team is third behind Australia and Great Britain going into cross-country.