Understanding Strangles: A Contagious Equine Disease
A recent incident in Anne Arundel County, Maryland, where a 7-year-old Thoroughbred gelding tested positive for strangles, highlights the significance of this contagious equine disease. The case, reported on October 2nd, underscores the necessity of understanding the clinical profile and transmission dynamics of strangles to mitigate its impact on horse populations. This article delves into the details of strangles, its diagnosis, treatment, and prevention methods.
The Nature of Strangles
Strangles, caused by the bacteria Streptococcus equi subsp. equi, is highly contagious and primarily affects a horse's upper respiratory tract. Symptoms typically manifest between 3 to 8 days after exposure and include fever, swollen lymph nodes, nasal discharge, and other respiratory issues. In severe cases, horses may develop complications such as "bastard strangles" or purpura hemorrhagica, which can be life-threatening.
Diagnosis and Treatment
The diagnosis of strangles is typically confirmed through PCR testing of nasal swabs or abscess material, allowing for rapid identification of the causative bacteria. Treating strangles involves isolation of the infected horse to prevent spread, alongside supportive care, including hydration and proper nutrition. While antibiotics may be used, especially in severe cases, they can inhibit the horse's ability to develop natural immunity. Therefore, treatment decisions should be carefully made by veterinary professionals.
Quarantine Protocols
In response to the confirmed case in Maryland, quarantine measures were implemented immediately. This is crucial since strangles spreads through direct contact and contaminated surfaces, necessitating stringent disinfection of all areas the infected horse might have come into contact with. Quarantine not only helps in containing the outbreak but also curbs the risk of asymptomatic carriers spreading the disease unknowingly.
Preventative Strategies
Given the contagious nature of strangles, prevention is a key focus in managing horse facilities. Although vaccines are available, offering variable degrees of protection, they are not entirely foolproof against all strains. Therefore, adhering to biosecurity measures, such as isolating infected horses and meticulous monitoring for carrier animals, is essential to control potential outbreaks. Disinfecting all surfaces and equipment that may have been contaminated is a vital practice that significantly reduces the likelihood of the disease spreading.
The Role of EDCC
The Equine Disease Communication Center (EDCC) plays a pivotal role in disseminating verified equine disease reports, such as the recent case in Maryland. Awareness and preparedness among horse owners and facility managers are paramount in combating infectious diseases. The EDCC ensures timely communication, thereby enhancing biosecurity and public awareness and offering guidance for effective disease management and prevention strategies.
Conclusion
The identification of strangles in the Maryland Thoroughbred gelding serves as a stark reminder of the disease's consequential nature. Vigilant management practices, adherence to veterinary guidelines, and an informed community are imperative in controlling outbreaks and safeguarding the health of the equine population. As the saying goes, prevention is better than cure, and with equine diseases, this continuity in education and prevention is critical in managing potential risks effectively.
For more information about equine health and diseases, visit The Horse and refer to comprehensive resources such as the SEHTX Understanding Strangles.




















