Disease Alerts

Number Confirmed: 1; 
Number Exposed: 6; 
Facility Type: Boarding Facility; 

Horse 1: 
Age: 22; Gender: Mare; Breed: Quarter Horse (QH); Onset of Clinical Signs: 1/24/2025; Confirmation Date: 1/29/2025; Horse Status: Affected And Alive;

Number Confirmed: 51; 
Number Exposed: 136; 

Comments: For more information, please see https://www.aphis.usda.gov/livestock-poultry-disease/equine/contagious-equine-metritis

Previous Alerts: 4156, 4102, 4052, 4004, 3978, 3893, 3859, 3815, 3805, 3776, 3748, 3741, 3732

Number Confirmed: 1; 
Number Exposed: 7; 
Facility Type: Private Facility; 

Horse 1: 
Age: 10; Gender: Mare; Breed: Thoroughbred (TB); Usage: Polo; Onset of Clinical Signs: 1/24/2025; Clinical Signs: fever; Confirmation Date: 1/29/2025; Horse Status: Recovering; Vaccination Status: Vaccinated;
 

Number Confirmed: 1; 
Number Suspected: Unknown; 
Number Exposed: Unknown; 
Facility Type: Private Facility; 

Horse 1: 
Age: 6; Gender: Mare; Breed: Belgian; Onset of Clinical Signs: 1/10/2025; Confirmation Date: 1/16/2025; Horse Status: Affected And Alive; Vaccination Status: Unvaccinated;

Number Confirmed: 1; 
Number Exposed: 18; 
Number Euthanized: 1; 

Horse 1: 
Age: 10; Gender: Gelding; Breed: Quarter Horse (QH); Horse Status: Euthanized; 

Comments: A 10–year–old Quarter Horse gelding in San Bernardino County was confirmed positive for Equine Infectious Anemia (EIA). A confirmed EIA positive equid must be euthanized or quarantined for life 200 yards away from any EIA negative equid as per USDA EIA program rules. Euthanasia was elected for these cases and witnessed on January 20th. Eighteen (18) potentially exposed horses on the home premises have initially tested negative for EIA and will remain under quarantine until their sixty (60) day retest.;

Number Confirmed: 1; 
Number Suspected: 1; 
Number Exposed: Unknown; 
Facility Type: Private Facility; 
Comments: Horses shipped in to owner and one became sick 2 days after arrival. Never mixed with other horses. Under vet care.;

Number Confirmed: 1; 
Number Suspected: Unknown; 
Number Exposed: 15; 
Facility Type: Stable;

Number Confirmed: 1; 
Number Suspected: Unknown; 
Number Exposed: Unknown; 
Facility Type: Private Facility; 

Horse 1: 
Age: Yearling; Gender: Colt; Breed: Hanoverian; Onset of Clinical Signs: 1/5/2025; Clinical Signs: Elevated temperature, muscle twitching; Confirmation Date: 1/16/2025; Horse Status: Affected And Alive; Vaccination Status: Unvaccinated;

Comments: This is Florida's 1 confirmed case of 2025; This horse has a confection with EEE and is the same horse listed in alert 4187.

Number Confirmed: 1; 
Number Suspected: Unknown; 
Number Exposed: Unknown; 
Facility Type: Private Facility; 

Horse 1: 
Age: Yearling; Gender: Colt; Breed: Hanoverian; Onset of Clinical Signs: 1/5/2025; Clinical Signs: Elevated Temperature, Muscle Twitching; Confirmation Date: 1/16/2024; Horse Status: Affected And Alive; Vaccination Status: Unvaccinated;

Comments: This is Florida's 2nd confirmed case of EEE for 2025; This horse has a confection with WNV and is the same horse listed in alert 4188.

Number Confirmed: 1; 
Number Exposed: 40; 

Horse 1: 
Age: 15; Gender: Mare; Breed: Thoroughbred (TB); Onset of Clinical Signs: 1/14/2025; Clinical Signs: ataxia, recumbency; Confirmation Date: 1/16/2025; Horse Status: Affected And Alive; 

Comments: A 15-year-old Thoroughbred mare from San Luis Obispo County displaying neurologic signs was confirmed positive for Equine Herpesvirus Myeloencephalopathy (EHM) secondary to Equine Herpesvirus-1 (EHV-1). The mare is alive and under veterinary care at an off-site veterinary hospital. Forty (40) potentially exposed horses at the home premise in San Luis Obispo County were quarantined on January 17th with enhanced biosecurity measures implemented. There had been no recent history of travel on or off these premises by the clinical horse and no other horses on the home premises currently have any clinical symptoms. CDFA will continue to actively monitor the situation.;