We are back with #MicroscopeMonday🔬 with a Ziehl-Neelsen Acid fast stain highlighting Mycobacterium avium complex in a wild mallard 🦆! M. Avium can be a major issue in waterfowl in human care. M. avium ssp. paratuberculosis causes Johne’s disease in cattle!

#mycobacteria #aviantuberculosis