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.

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,

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

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.