Santa Anita Park
Dozens of racehorses died at the southern California racetrack in 2019, drawing scrutiny from government officials and animal rights activists.
Golden Birthday was the 39th horse to die at the embattled California park in a little more than a year.
Truest Reward died during training just days before the racetrack's winter-spring meeting opening day.
Hall of Fame trainer Jerry Hollendorfer, whose horse Mighty Elijah died on Saturday, has been banned from other parks due to safety concerns.
Mongolian Groom suffered a fatal injury during the $6 million race at the California track on Saturday. It was the 37th equine death at Santa Anita since December.
Bye Bye Beautiful was euthanized after injuring her legs during a race. She's the second fatality in three days.
The Saturday death of a 3-year-old gelding occurred less than two weeks ahead of the Breeders’ Cup world championships, which the track is scheduled to host.
Ky. Colonel, a 5-year-old gelding, died of a suspected heart attack on Saturday. It was the third equine death at the California racetrack in three weeks.
Emtech, a 3-year-old colt, was euthanized on the track after breaking his front legs. His death came 12 days after another horse's euthanization.
The famed thoroughbred California racetrack has come under intense scrutiny in recent months for the rash of horse deaths.