21 horses died at a single racetrack in the last 10 weeks. How did it happen?

(CNN)Debbie McAnally’s horse became the 21st to die this season at Santa Anita Park, euthanized after shattering her front leg on a training run. Trainers, owners, track officials, and animal activists are all baffled as to why the death toll is so high. A spokesman for the track, Mark Willman, believes the injuries are “multifaceted,” but that rain is the biggest factor. Why rain could be a factor Southern California has been having its wettest winter in almost a decade. Many people connected with Santa Anita Park believe that the rain is a factor in the horses’ deaths, but not all agree why. “The ground gets too soft,” says Jim Cassidy, president of the Thoroughbred Trainers Association. He says the …