Figure 3From: Comparison of a quantitative real-time polymerase chain reaction (qPCR) with conventional PCR, bacterial culture and ELISA for detection of Mycobacterium avium subsp. paratuberculosis infection in sheep showing pathology of Johne’s disease Small intestinal mucosa and submucosa showing clusters of AFB in the epithelioid cells of multibacillary sheep. ZN.Back to article page