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  • Strangles (Streptococcus equi)
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Relationship between quantitative real-time PCR cycle threshold and culture for detection of Streptococcus equi subspecies equi

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Viable S. equi was only detected in a minority of quantitative PCR (qPCR) positive samples. A qPCR CT of 34.2 was a reasonable breakpoint for likelihood of the presence of culturable S. equi.