Figure 4From: Serotyping and pathotyping of Glaesserella parasuis isolated 2012–2019 in Germany comparing different PCR-based methodsFrequency of individual serovars within categories virulent (n = 259) and non-virulent (n = 48) for LS-PCR. nt non-typable; ***p ≤ 0.001, highly significant.Back to article page