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Figure 6: An immunohistochemistry of Kidney tissue sections of broodstock fish exhibiting chronic multi-focal granulomatous reactions: Notice the presence of R. salmoninarum and its antigens (red). Slides were stained using the ter enhanced antigen retrieval procedures using Alkaline Phosphatase as the markers and goat anti-Renibacterium salmoninarum antibody. Sections were counterstained with Mayer’s Hematoxylin (Blue background) (Magnification 400). Rs: Renibacterium salmoninarum soluble antigens with the red staining affinity. |