Strangles Confirmed in 4 Florida Counties

The affected horses live in Bay, Sarasota, Gilchrist, and Lake counties.

Equine strangles cases have been confirmed at premises in Bay, Sarasota, Gilchrist, and Lake counties, Florida.
Equine strangles cases have been confirmed at premises in Bay, Sarasota, Gilchrist, and Lake counties, Florida. | Wikimedia Commons

Equine strangles cases have recently been confirmed in four Florida counties. The affected horses are located in Bay, Sarasota, Gilchrist, and Lake counties. 

In Bay County, one horse at a private facility is positive, and another horse is exposed. Three horses at a different stable in Bay County have also been exposed to strangles.

In Sarasota County, one horse at a stable is positive for strangles, and four additional horses on the premises are exposed. At another stable in Sarasota County, two horses are suspected positive for strangles, and four horses are exposed. 

In Gilchrist County, one horse at a private facility is positive for strangles, and one horse is suspected positive. 

In Lake County, one horse at a private facility is positive for strangles, and one horse is suspected positive. 

All affected horses are under official quarantine.

EDCC Health Watch is an Equine Network marketing program that utilizes information from the Equine Disease Communication Center (EDCC) to create and disseminate verified equine disease reports. The EDCC is an independent nonprofit organization that is supported by industry donations in order to provide open access to infectious disease information.

About Strangles

Strangles in horses is an infection caused by Streptococcus equi subspecies equi and spread through direct contact with other equids or contaminated surfaces. Horses that aren’t showing clinical signs can harbor and spread the bacteria, and recovered horses remain contagious for at least six weeks, with the potential to cause outbreaks long-term.

Infected horses can exhibit a variety of clinical signs:

  • Fever
  • Swollen and/or abscessed lymph nodes
  • Nasal discharge
  • Coughing or wheezing
  • Muscle swelling
  • Difficulty swallowing

Veterinarians diagnose horses using polymerase chain reaction (PCR) testing with either a nasal swab, wash, or an abscess sample, and they treat most cases based on clinical signs, implementing antibiotics for severe cases. Overuse of antibiotics can prevent an infected horse from developing immunity. Most horses make a full recovery in three to four weeks.

A vaccine is available but not always effective. Biosecurity measures of quarantining new horses at a facility and maintaining high standards of hygiene and disinfecting surfaces can help lower the risk of outbreak or contain one when it occurs.

Brought to you by Boehringer Ingelheim, The Art of the Horse
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