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Disease Outbreak Alerts

Updates on current disease outbreaks are listed here as they occur and will include the date listed, disease name, location and current status. Specific premises will not be named but the general location by town, county and state will be listed. When locations, events or horses are at risk they will be listed. Updates will be posted as they are received.


January 21, 2019
Equine Herpesvirus
Elkhart County, IN
Confirmed Case(s): No Quarantine
Source: Indiana State Board of Animal Health

Number affected: 1

Age: Not reported ; Gender: Not reported; Breed: Not reported: Onset of Clinical Signs: 01/05/2019; Clinical Signs: Not reported; Horse Status: Euthanized; Vaccination Status: Not reported

Notes: The horse became ill on January 5 and was treated January 6 and euthanized later that day. No quarantine was issued.

 

January 18, 2019
Equine Infectious Anemia
Rutherford County, TN
Confirmed case(s): Official Quarantine
Source: Tennessee Department of Agriculture

The Tennessee Department of Agriculture has confirmed a positive Equine Infectious Anemia test on a racing Quarter Horse in Rutherford County, Tennessee which was reported on January 10th,2018. One of the staff veterinarians from the Department of Agriculture tested all of the horses on the farm. Three other quarter horses on the farm tested positive for EIA at Kord Lab on Monday, a second AGID test was ran Tuesday. The 3 horses tested at Kord Lab were confirmed positive at NVSL. All four positive EIA horses have been euthanized. Iatrogenic transmission is suspected. The other six horses on the farm tested negative and were quarantined. They will be retested in March.

 

January 17, 2019
Equine Herpesvirus
LaGrange County, IN
Quarantine Released
Source: Indiana State Board of Animal Health

On January 15, 2019 the Indiana State Board of Animal Health released the Equine Herpesvirus Myeloencephalopathy (EHM) quarantine for the premises in LaGrange County, Indiana.

January 16, 2019
Salmonellosis
Miami Animal Import Center, FL
Suspected Case(s): Official Quarantine
Source: Animal and Plant Health Inspection Agency

The USDA’s Animal and Plant Health Inspection Agency has reported that the Miami Animal Import Center will be temporarily closed to new arrivals of horses beginning on January 19th in response to illness in a handful of horses quarantined at the facility. APHIS is investigating to determine the specific cause of illness, but salmonella is suspected, and the facility is stepping up biosecurity and taking additional precautions to prevent any further disease spread. The temporary closure is effective on Saturday, January 19, 2019. APHIS is conducting environmental testing at the facility, and the samples will be sent to the National Veterinary Services Laboratories for diagnostic testing. To date, six horses have fallen ill with symptoms, such as diarrhea, fever and lameness. Despite receiving immediate medical treatment, three of the horses died. The other three horses are recovering. APHIS will share more information once it is available.

 

January 16, 2019
Equine Infectious Anemia
Municipal District of Bonnyville, AB
Confirmed case(s): Official Quarantine
Source: Canadian Food Inspection Agency

The Canadian Food Inspection Agency has reported a confirmed case of Equine Infectious Anemia in the Municipal District of Bonnyville, Alberta, Canada. On January 11, 2019, a positive EIA result was confirmed by the CFIA’s national reference laboratory for a horse on a premises in the municipal district of Bonnyville, Alberta. The horse had been sampled by an accredited veterinarian at the owner’s request after it had been purchased from an auction mart. No clinical signs of disease were noted at the time of sampling. A CFIA investigation is underway and as per program policy, a quarantine has been placed on the infected animal and its on-premises contact animals. The quarantine will remain until all disease response activities have been completed, including follow-up testing and ordering the destruction of positive cases. For more information go to https://www.cahss.ca/surveillance/equine/

 

January 15, 2019
Strangles
Jackson, Washtenaw, Monroe Counties, MI
Confirmed Case(s): No Quarantine
Source: Michigan Department of Agriculture and Rural Development

The Michigan Department of Agriculture and Rural Development has confirmed three more cases of strangles for 2018. The first case was in a five-year-old Quarter Horse gelding from Jackson County. The horse developed nasal discharge and fever on December 14, 2018 and was later confirmed on culture to have the disease. The horse recovered well. The second case was in a 15-year-old Arabian mare in Washtenaw County that has an almost two-month history (first observed around November 1, 2018) of a cough and feed observed coming from her nostrils. The mare was subsequently found to have the disease through culture. The mare is under treatment at a premises which has had other cases of strangles confirmed this year. It is unclear if either of the above horses were vaccinated against strangles. The third case was in a 7-year-old Quarter Horse gelding from Monroe County. The horse was examined by a veterinarian on December 28, 2018 due to an having nasal discharge for an unknown timeframe and subsequently underwent confirmatory testing. The horse was unvaccinated and is recovering. No quarantines were issued. This brings the total number of confirmed 2018 strangles cases in Michigan to 22.

 

January 14, 2019
Equine Infectious Anemia
Paulding County, GA
Confirmed case(s): Official Quarantine
Source: Georgia Department of Agriculture

The Georgia Department of Agriculture’s (GDA) Animal Industry Division has confirmed three positive cases of Equine Infectious Anemia (EIA) in quarter horses at a Paulding County facility. The affected horses were humanely euthanized. The remainder of the horses at the facility are under quarantine pending follow up testing in 60 days. This makes eight confirmed cases for the year 2018. Additional information can be found at: http://agr.georgia.gov/eia-positive-horses-confirmed-in-georgia.aspx.

 

January 11, 2019
Equine Herpesvirus
Erie, NY
Confirmed case(s): Official Quarantine
Source: New York Department of Agriculture and Markets

The New York State Department of Agriculture and Markets confirmed Equine Herpesvirus Myeloencephalopathy in a Paint mare, from Erie County, New York. The exhibited ataxia and falling was confirmed positive for EHV-1 on a nasal swab PCR test this week. The mare and all other horses on the farm are quarantined. Biosecurity measures and temperature monitoring are in place. No horses have left the farm in the 2 weeks preceding the onset of the illness nor have left the farm after the diagnosis of this case. The mare has not traveled off of the farm recently. The New York State Dept of Agriculture and Markets will continue to monitor the situation.

January 10, 2019
Equine Herpesvirus
Schuyler County, NY
Confirmed case(s): Official Quarantine
Source: New York State Department of Agriculture

The New York State Department of Agriculture and Markets confirmed one case of Equine Herpesvirus Myeloencephalopathy (EHM) and one positive for EHV-1 at the same quarantined premises in Schuyler County, New York. An aged Quarter Horse mare, displaying leaning and hind end ataxia was confirmed positive for on a nasal swab PCR test late last week. A few days later, a Quarter Horse gelding on the farm with only a high fever also tested PCR positive on a nasal swab for EHV-1. The mare, gelding and all other horses on the farm are quarantined. Biosecurity measures and temperature monitoring are in place. No horses have left the farm in the 2 weeks preceding the onset of the illness nor have left the farm after the diagnosis of the index case. New York State Department of Agriculture and Markets will continue to monitor the situation.

January 10, 2019
Equine Herpesvirus
Hanover County, VA
Confirmed case(s): Official Quarantine
Source: State Veterinarian’s Office of the Virginia Department of Agriculture

On January 9, 2019 the State Veterinarian’s Office of the Virginia Department of Agriculture and Consumer Services (VDACS) confirmed 3 horses tested positive for Equine Herpesvirus-1 (EHV-1).The infected horses reside on a pleasure horse farm (index farm) in Hanover County. Two horses were euthanized due to severe neurologic signs (due to Equine Herpesvirus Myeloencephalopathy). A third horse on the index farm began exhibiting neurologic signs on January 10th. The farm in Hanover County and a neighboring farm sharing a fence line are under quarantine and all horses and donkeys are being monitored twice daily for fever (temperature over 101.50 F) and other clinical signs. No horses from the index farm have left the farm in 2 weeks prior to exhibiting clinical signs. For more information go to http://www.vdacs.virginia.gov/animals-equine-herpes-virus.shtml and https://aaep.org/sites/default/files/Documents/DiseaseFactsheetEHM.pdf. Horse owners may also contact VDACS’ Office of Veterinary Services at 804.786.2483.