On Jan. 10, the California Department of Food and Agriculture said there were no additional cases of equine herpesvirus-1 at the LAEC. The facility still has one horse under quarantine isolation awaiting negative testing.
But an additional facility in Los Angeles County was placed under quarantine Jan. 10 after a 12-year-old Quarter Horse mare showed neurologic symptoms that were confirmed as a non-neuropathogenic form of equine herpesvirus-1. Due to the severity of the symptoms, the horse was euthanized.
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The second premises, which houses 56 horses, was placed under quarantine. An additional 32-year-old horse rested positive for the same form of EHV-1 and was placed under isolation.
The initial Los Angeles County quarantine started Nov. 3, 2016, and it involved 330 horses, with 15 EHV-1 cases confirmed there. An owner violated quarantine at the LAEC on Nov. 25 by moving a horse to a second facility. One horse at the LAEC was euthanized in November.
