Outbreak Alert: March 24, 2023 – Equine Infectious Anemia in Fresno County, CA

Potomac Horse Fever

Source: California Department of Food and Agriculture Number Confirmed: 1Number Exposed: 6Facility Type: Private FacilityAge: 21Gender: MareBreed: MuleUsage: RetiredClinical Signs: Asymptomatic, tested prior to interstate movement.Confirmation Date: 3/21/2023Comments: A 21-year-old mare mule in Fresno County has been confirmed positive for Equine Infectious Anemia (EIA). The mule has been quarantined on her home premises with 6 additional potentially exposed equids, 1 …

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Outbreak Alerts – UPDATE: March 22, 2023 – Equine Herpesvirus- Neurologic in Riverside County, CA

Potomac Horse Fever

Confirmed Case(s) – Official Quarantine Source: California Department of Food and Agriculture Number Confirmed: 2Number Exposed: 600Age: 12Gender: MareBreed: Argentinian Polo HorseUsage: PoloOnset of Clinical Signs: 3/19/2023Clinical Signs: mild neurologicConfirmation Date: 3/21/2023Horse Status: Affected And AliveComments: A 12-year-old Argentinian polo horse mare displaying mild neurological signs has been confirmed positive for EHM secondary to EHV-1 (non-neuropathogenic strain). The mare was immediately …

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Outbreak Alerts: March 16, 2023 – Equine Herpesvirus- Neurologic in Riverside County, CA

Potomac Horse Fever

Confirmed Case(s) – Official Quarantine Source: California Department of Food and Agriculture Number Confirmed: 1Number Exposed: 9Facility Type: Event CenterAge: 17Gender: MareBreed: Polo ponyUsage: PoloOnset of Clinical Signs: 3/11/2023Clinical Signs: Dragging pelvic limb 2 days prior to decreased appetite, ataxia, and reactivity on cervical spinal palpation, then found recumbent and unable to rise the following morning. Afebrile.Horse Status: EuthanizedVaccination Status: Status …

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Outbreak Alerts: March 14, 2023 – Equine Herpesvirus- Neurologic in Los Angeles County, CA

Potomac Horse Fever

Confirmed Case(s) – Official Quarantine Source: California Department of Food and Agriculture Number Confirmed: 1Number Suspected: UnknownNumber Exposed: 61Facility Type: Private Facility Age: 19Gender: GeldingBreed: SaddlebredOnset of Clinical Signs: 3/13/2023Clinical Signs: Acute ataxia and urine dribblingConfirmation Date: 3/14/2023Horse Status: EuthanizedComments: A 19-year-old Saddlebred gelding at a private boarding facility in Los Angeles County displaying acute neurological signs was confirmed positive …

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Outbreak Alerts: March 10, 2023 – Equine Herpesvirus- Neurologic in San Luis Obispo County, CA

Potomac Horse Fever

Confirmed Case(s) – Quarantine Released Source: California Department of Food and Agriculture Number Confirmed: 1Number Exposed: 26 Comments: No additional cases were confirmed, and the quarantine on this premises has been released.Previous Alerts: 2917 See past published Outbreak Alerts: https://www.nwhorsesource.com/category/news/alerts PressNews from the horse industry. Sharing today’s information as it happens. The Northwest Horse Source …

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Outbreak Alerts: February 06, 2023 Strangles in Thurston County, WA

Potomac Horse Fever

Source: State Vet Office Number Confirmed: 1Number Exposed: 3Facility Type: Private FacilityComments: A horse in Thurston County has tested positive for Strangles. The horse was purchased with 3 others from Texas slaughter pen and is currently under vet care and owner has them voluntary quarantined. For more information about Strangles, go to: https://www.equinediseasecc.org/strangles See past published …

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Outbreak Alerts: February 01, 2023 – Equine Herpesvirus- Neurologic in Flathead County, MT

Potomac Horse Fever

Confirmed Case(s) – Official Quarantine Source: Montana Department of Livestock Number Confirmed: 5Clinical Signs: Neurologic signsComments: Following multiple confirmed cases of equine herpesvirus myeloencephalopathy (EHM) in Flathead County, the Montana Department of Livestock is recommending that horse owners and event coordinators in the Flathead Valley limit travel and cancel events that bring horses …

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Outbreak Alerts: January 31, 2023 Strangles in Kittitas County, WA

Potomac Horse Fever

Source: State vet office Number Confirmed: 1; Number Exposed: Unknown; Facility Type: Training Facility; Comments: A horse at a training facility in Kittitas County has tested positive for Strangles. The horse is under private vet care and has not been off property but many others come and go. For more information go to: https://www.equinediseasecc.org/strangles See past published Outbreak Alerts: …

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Outbreak Alerts: January 05, 2023 Equine Influenza in Pierce County, WA

Potomac Horse Fever

Confirmed Case(s) – No Quarantine Source: State vet office Number Confirmed: 1Number Suspected: UnknownNumber Exposed: UnknownFacility Type: Private Facility For more information go to Equine Influenza Factsheet. See past published Outbreak Alerts: www.nwhorsesource.com/category/news/alerts PressNews from the horse industry. Sharing today’s information as it happens. The Northwest Horse Source is not responsible for the content of …

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Outbreak Alert: January 03, 2023 – Equine Infectious Anemia in Kern County, CA

Potomac Horse Fever

Source: California Department of Food and Agriculture Number Confirmed: 1Number Suspected: UnknownNumber Exposed: 4Facility Type: Private FacilityAge: 9Gender: StallionBreed: Quarter Horse (QH)Confirmation Date: 12/30/2022Comments: A 9–year–old Quarter Horse stallion residing in Kern County was confirmed positive for Equine Infectious Anemia (EIA). The stallion has been quarantined on the home premises with four (4) additional exposed horses on the property. …

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