SANTA ANITA (CBSLA) – While live racing is suspended indefinitely at Santa Anita Park, officials reopened the training track as they continue to attempt to determine what could be responsible for the deaths of 21 horses going back to December.,Santa Anita’s training track — one of three on the grounds that include the main and turf tracks — reopened Friday.,Experts examine the main track at Santa Anita Park on March 7, 2019.,“Once it reopens, they will closely monitor that track’s condition as horses stabled at Santa Anita Park begin using it.”,Last week, Santa Anita closed the main track for several days to have Peterson do an evaluation, this following the 19th horse death.