Under the supervision of the California Department of Food and Agriculture (CDFA) and dictated by state and federal standards, five additional horses have been euthanized at Los Alamitos racetrack in Cypress,

Five more horses have died at a barn at Los Alamitos, bringing the total to 12 deaths as a result of an outbreak of equine infectious anemia.

All 12 horses euthanized due to Equine Infectious Anemia were trained by Heath Taylor, according to the California Horse Racing Board.

Following news less than two weeks ago that seven Quarter Horses testing positive for Equine Infectious Anemia (EIA) at Los Alamitos were euthanized, the California Horse Racing Board (CHRB) issued a grim update Wednesday evening.

Five more horses have been put down following an outbreak of a viral disease at Los Alamitos Race Course that has now led to the deaths of 12 horses since Sept. 24. The California Horse Racing Board posted the update on the California.