Disease Alerts

Number Confirmed: 1; 
Number Exposed: 2; 

Horse 1: 
Age: 7; Gender: Gelding; Breed: Quarter Horse (QH); Usage: Racing; 

Comments: A 7–year–old Quarter Horse gelding in San Bernardino County was confirmed positive for Equine Infectious Anemia (EIA). Two (2) potentially exposed horses on the home premises have been tested for EIA with results pending. The two potentially exposed horses will remain under quarantine until pending lab results are received and their sixty (60) day retest samples are completed as per CDFA and USDA program requirements. CDFA has been on site with continued monitoring of the situation, epidemiological tracing is ongoing.;

Number Confirmed: 2; 
Number Exposed: 27; 

Horse 1: 
Age: 3; Gender: Mare; Breed: Quarter Horse (QH); Usage: Racing; Confirmation Date: 3/20/2025; 

Comments: One of the twenty-four (24) exposed horses on the home premises tested positive for EIA, a 3–year–old Quarter Horse mare. The other twenty-three (23) potentially exposed horses on the home premises have initially tested negative for EIA and will remain under quarantine until their sixty (60) day retest.; 
Previous Alerts: 4266

Number Confirmed: 1; 
Number Exposed: 28; 

Horse 1: 
Age: 7; Gender: Gelding; Breed: Quarter Horse (QH); Usage: Racing; 

Comments: A 7–year–old Quarter Horse gelding in San Joaquin County was confirmed positive for Equine Infectious Anemia (EIA). Twenty-four (24) potentially exposed horses and four (4) dam’s side foals on the home premises have been tested for EIA with results pending. The twenty-eight potentially exposed horses will remain under quarantine until pending lab results are received and their sixty (60) day retest samples are completed as per CDFA and USDA program requirements. CDFA has been on site with continued monitoring of the situation, epidemiological tracing is ongoing.;

Number Confirmed: 16; 
Number Exposed: Unknown; 
Comments: On February 7, 2025, positive equine infectious anemia (EIA) results were confirmed by the Canadian Food Inspection Agency’s (CFIA) national reference laboratory for 16 horses located on a premises in the rural municipality of Meadow Lake, Saskatchewan. The horses had been tested by the CFIA as part of an on-going disease investigation. No clinical signs of disease were noted at the time of sampling. The infected horses have a history of commingling with free-roaming horses in an area where the disease is endemic. A CFIA investigation is underway and as per program policy, movement controls have been placed on the infected horses and any on-premises contact animals. Movement controls will remain until all disease response activities have been completed, including follow-up testing and ordering the destruction of confirmed cases. Trace-out activities may require the CFIA to undertake actions at additional premises as outlined in the current policy.;

Number Confirmed: 1; 
Number Suspected: Unknown; 
Number Exposed: Unknown; 
Comments: General notes: Quarantines will not be released until TAHC’s requirements are met. TAHC staff work closely with the owners and local veterinarians to monitor potentially exposed horses and implement biosecurity measures.;

Number Confirmed: 1; 
Number Suspected: Unknown; 
Number Exposed: Unknown; 
Number Euthanized: 1; 
Comments: General notes: A quarantine was placed on the facility and has since been released. TAHC staff worked closely with the owners and local veterinarians to monitor potentially exposed horses and implement biosecurity measures.;

Number Confirmed: 2; 
Number Suspected: Unknown; 
Number Exposed: Unknown; 
Number Euthanized: 1; 
Comments: General notes: Quarantines will not be released until TAHC’s requirements are met. TAHC staff work closely with the owners and local veterinarians to monitor potentially exposed horses and implement biosecurity measures.;

Number Confirmed: 1; 
Number Suspected: 1; 
Number Exposed: Unknown; 
Number Euthanized: 1; 
Comments: General notes: Quarantines will not be released until TAHC’s requirements are met. TAHC staff work closely with the owners and local veterinarians to monitor potentially exposed horses and implement biosecurity measures.;

Number Confirmed: 2; 
Number Suspected: Unknown; 
Number Exposed: Unknown; 
Number Euthanized: 2; 
Comments: General notes: Quarantines will not be released until TAHC’s requirements are met. TAHC staff work closely with the owners and local veterinarians to monitor potentially exposed horses and implement biosecurity measures.;

Number Confirmed: 4; 
Number Suspected: Unknown; 
Number Exposed: Unknown; 
Number Euthanized: 4; 
Comments:  Premises quarantined December 10, 2024. Quarantines will not be released until TAHC’s requirements are met. TAHC staff work closely with the owners and local veterinarians to monitor potentially exposed horses and implement biosecurity measures.;