The peroxidase-antiperoxidase (PAP), streptavidin-biotin (SB), and avidin-biotin-complex (ABC) techniques have been evaluated for the visualization of Mycobacterium paratuberculosis (Mp) in formalin-fixed, paraffin-embedded bovine tissues. The used immunoperoxidase techniques were comparatively better than the Ziehl-Neelsen stain, specially for the demonstration of small number of mycobacteria in tissue sections.
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Massone et al. (1990) studied this question.
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