A 3-year-old filly at Golden Gate Fields who was euthanized Mar. 23 after developing severe neurological signs has tested positive for equine herpesvirus-1 neurotrophic strain (EHV-1N), the California Horse Racing Board (CHRB) announced Tuesday night. California Department of Food and Agriculture (CDFA) veterinary personnel inspected the barn and reviewed biosecurity procedures that had been put in place. One barn of exposed horses has been placed under restricted quarantine with enhanced biosecurity measures and twice daily temperature monitoring. In addition to CHRB and Golden Gate Fields management, CDFA personnel will continue to monitor the situation. Horses have resumed entering and leaving Golden Gate.
There is no indication of additional cases at this time, the CHRB said. Updates will continue to be posted in the official veterinarians' office and on the following websites: https://www.cdfa.ca.gov/ahfss/animal_health/equine_herpes_virus.html and http://www.equinediseasecc.org/.
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