One of trainer Peter Miller's barns at the San Luis Rey Downs training center in Southern California has been placed under quarantine, after a horse in his care diagnosed with the equine herpesvirus (EHV-1) was euthanized this week at a veterinary clinic, as first reported by the DRF. California Horse Racing Board (CHRB) equine medical director, Jeff Blea, said Thursday that the quarantine period started Saturday Sept. 21. Blea added that the California Department of Food and Agriculture (CDFA) has yet to determine how long the barn will be under...