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

After an initial infection in September, six additional horsed tested positive for Equine Infectious Anemia and were euthanized.

All of the quarter horses tested positive for equine infectious anemia, a blood disorder that cannot be cured.

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.

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.

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 were euthanized at Los Alamitos Race Course after they tested positive for a potentially fatal infectious disease, the California Horse Racing Board announced Wednesday.