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Related to Streptococcus equi: strangles



an acute infectious disease of horses manifested by mucopurulent inflammation of the nasal and pharyngeal mucous membrane and submandibular lymph nodes.

Strangles occurs everywhere, most often in countries with a temperate or cold climate; sporadic cases are reported in the USSR. The causative agent is Streptococcus equi, a highly resistant microorganism in the environment. The source of the pathogen is infected horses and those that have recovered from the disease. The disease may be transmitted through feed, water, grooming objects, troughs, and stable walls contaminated by the pus and nasal discharge of diseased horses. Strangles epizootics usually occur in late fall, winter, or early spring. The course of the disease is generally acute. The typical form of strangles is characterized by fever, listlessness, anorexia, and enlargement of the submandibular lymph nodes and formation of abscesses in them. The diagnosis is based on epizootiological data, clinical symptoms, and results of laboratory tests. Sick horses are isolated and treated. Each animal must be individually cared for, fed, and watered. The stalls, grooming objects, harnesses, and troughs must be thoroughly disinfected.


Bakulov, I. A. “Myt.” In Epizootologiia. Edited by R. F. Sosov. Moscow, 1969.
References in periodicals archive ?
Virulence and antigenicity of the szp-gene deleted Streptococcus equi ssp.
Closest species matches to multilocus sequence typing alleles of study Streptococcus equi subsp.
For some human infections with a related species of Streptococcus equi subspecies zooepidemicus, ingestion of unpasteurized cow milk or contact with fresh horse manure was involved.
3% (6) and Streptococcus equi subspecies equi ATCC 33 398 is one among the three strains used for quality control of API ID 32 Strep system.
Streptococcus equi subspecies equi (Lancefield group C) meningitis in a child.
Determination of the mimic epitope of the M-like protein adhesin in swine Streptococcus equi subsp.
Unusual outbreak of clinical mastitis in dairy sheep caused by Streptococcus equi subsp.
The first target Streptococcus equi is the primary cause of strangles, a respiratory based infection leading to weight loss, swellings, and abscesses, with mortality rates of up to 10 percent.
Meningitis due to an unusual human pathogen: Streptococcus equi subspecies equi.
Outbreak of Streptococcus equi subsp, zooepidemicus infections on the island of Gran Canaria associated with the consumption of inadequately pasteurized cheese.

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