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Equine Herpesvirus Myeloencephalopathy (EHM) Confirmed in Texas Horse after Reining Event

Equine Disease Alerts: April 2019

EHM Confirmed in Texas Horse after Oklahoma Reining Event - The neurologic disease is caused by the equine herpesvirus-1 (EHV-1)....
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EHM Cases in Arizona, Idaho: One Horse Euthanized

Equine Disease Alerts: March 2019

The state reports an 8-year-old Quarter Horse located in Maricopa County recently returned from the Dixie Classic barrel race at the Legacy Horsepark in Washington County, Utah. The mare was shipped to a vet hospital ...
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Officials from the Texas Animal Health Commission (TAHC) state seven of the EIA positive "racing Quarter Horses" and another horse on-site tested positive for a secondary infectious disease called equine piroplasmosis (EP).

Equine Disease Alerts: February 2019

EP is a tick-borne disease that affects horses, donkey, mules, and zebras. Specifically, its caused by the protozoa Babesia caballi or Theileria equi....
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Three Horses Die from Mystery Illness at Miami Animal Import Center

Equine Disease Alerts January 2019

Three Horses Die from Mystery Illness at Miami Animal Import Center A total of six horses were impacted and three are dead, “despite receiving immediate medical treatment.” The surviving three horses are reportedly...
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EIA Positive Horses Colorado - Kill Pen

Colorado State Vet: EIA Positive Horse in "Unknown Location"

In a Horse Authority exclusive, Colorado's state veterinarian tells us the location of a horse infected with the deadly disease Equine Infectious Anemia (EIA) is still unknown. A Weld County veterinarian reported the ...
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Colorado EIA State Quarantines Fremont County Horse Stable

Equine Disease Alerts for December

Colorado veterinary officials report a fourth is positive with the deadly Equine Infectious Anemia (EIA). A veterinarian tested the horse located in Fremont County for "routine movement purposes."...
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November 2018 Equine Disease Alerts - EIA Colorado, EHM CA

November Equine Disease Alerts

Colorado officials confirm a third horse is sick with the lethal equine infectious anemia (EIA) although its location is unknown. A Weld County veterinarian tested the horse's blood as part of a buyer's pre-purchase exa...
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Quarantine Concerns Woodside Horse Park Boarders

Concerns over EHM Quarantine at California's Horse Park at Woodside

Horse owners frustrated by a lack of communication aired concerns about an equine disease quarantine at a busy San Mateo County Horse Park. ...
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EIA in Alberta Canada

Equine Disease Alerts: October

The Canadian Food Inspection Agency (CFIA) confirms an Alberta horse is positive with Equine Infectious Anemia (EIA). ...
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So, is a second Weld County, Colorado EIA positive horse related to the kill pen's EIA positive horse? Find out at

EIA in Second Horse Leads to Another Colorado Quarantine

The Colorado state veterinarian confirms another Weld County horse tested positive for Equine Infectious Anemia (EIA). ...
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What are the symptoms of equine herpes myeloencephalopathy (EHM)?

Equine Disease Alerts: September

Get the latest equine disease alerts happening in September including the tracking of Equine Infectious Anemia (EIA) after our recent Colorado kill pen EIA exclusive as well as EHM cases, and equine rabies!...
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Colorado Fabrizius Livestock aka Fabrizius Kill Pen Exposes 240 to EIA Positive Horse

240 Horses Exposed to Deadly EIA from Colorado Kill Pen, 100 Shipped Nationwide

Details emerge as Colorado investigates the location of 240 horses exposed to deadly EIA. Did you buy a horse or was it transported with a kill pen horse? Click for complete details. ...
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Equine Health & Disease Alerts August 2018 Horse Authority

Equine Disease Alerts: August

Equine Infectious Anemia (EIA) proves deadly for Georgia horses. State officials confirm three horses were euthanized after testing positive for the blood-borne disease....
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Biting insects typically transmit EIA, also known as swamp fever, which is a blood-borne illness.

Equine Disease Alerts: July

An Oklahoma horse rescue may feel the financial sting after bringing a horse into the state without a Coggins. The horse was confirmed positive with equine infectious anemia ... ...
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California officials imposed a quarantine at a San Mateo County horse facility after testing confirmed a pony positive for EHM.

EHV Cases Confirmed in California Horses: Quarantine

Veterinarians recommend vaccinating against EHV-1 to help prevent the virus. Although, there is no current vaccine that prevents the neurological manifestation of the infection. ...
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Oklahoma Horse Tests Positive for Equine Infectious Anemia

Details still emerging Oklahoma officials confirm an equine infectious anemia (EIA) disease investigation led to the euthanasia of a Bryan County horse. The Oklahoma Department of Agriculture (ODAFF) has placed ...
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EIA Confirmed in North Carolina Mule

EIA Confirmed in North Carolina Mule

Deadly disease North Carolina Ag officials confirm a mule tested positive for the deadly Equine Infectious Anemia (EIA) last week. A veterinarian pulled blood from the 14-year-old female or mollie mule located in J...
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Equine Infectious Anemia Deadly for 6 Kansas Horses

Kansas Confirms 2 More EIA Positive Horses

Officials confirm two more horses in southwestern Kansas have tested positive for an incurable, infectious disease. ...
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EHV-1 Virginia Update: Third Culpeper Horse Confirmed Positive

EHV-1 Confirmed at Second Virginia Farm, 2 Horses Euthanized

Unrelated to EHV-1 at Culpeper farm Virginia's state veterinarian confirms two King William County horses tested positive for the neurologic strain of the equine herpes virus (EHV-1) leading to their euthanasia. E...
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Equine Infectious Anemia Deadly for 6 Kansas Horses

Equine Infectious Anemia Deadly for 6 Kansas Horses

Coggins test A veterinarian euthanized six Kansas horses after they tested positive for equine infectious anemia (EIA). The Kansas Department of Agriculture quarantined the Finney County equine facility where addit...
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