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Module 14 AVS 201 Equine Strangles Equine Protozoal Myelitis Rhodococcus Equi Corynebacterium pseudotuberculosis
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Equine Strangles •Etiology –Streptococcus equi equi •clinical disease only in horses, donkeys, and mules. It is a gram- positive •capsulated β-hemolytic Lancefield group C coccus •obligate parasite and a primary pathogen •Also called Equine distemper
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Corynebacterium pseudotuberculosis
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•Diagnosis –Culture and identification
•Treatment –Lymphangitis and early abscess swellings are treated with hot packs, poultices, or hydrotherapy. –Abscesses are lanced and flushed with iodine solution. –Large abscesses require surgery. –scrubbed daily with an iodophor shampoo. –Penicillin or trimethoprim-sulfa •antimicrobial treatment may prolong the disease by delaying abscess maturation.
–Phenylbutazone relieves pain and swelling.