The California Department of Food and Agriculture (CDFA) has confirmed that a mare from Santa Barbara County, Calif., was positive for the neurologic form of equine herpesvirus-1 (EHV-1) at necropsy on April 6.
According to a CDFA statement, the 11-year-old mare became ataxic (incoordinated) and recumbent in her stall on March 30. She was placed under veterinary care, but was unresponsive to treatment, the statement said. The mare was euthanized on March 31.
The mare was shipped to the California Animal Health and Food Safety Laboratory for necropsy, the statement said. She was confirmed positive for neurologic EHV-1 on April 6, the statement said.
No additional information was immediately available.
Meanwhile, a mare in Los Angeles County, Calif., who tested positive for a non-neurologic strain of EHV-1 on March 30 was euthanized April 7 after developing severe laminitis.
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The Horse | Neurologic EHV-1 Identified in California