What Is Mycobacterium Avium Complex?

Avian mycobacterium disease is a zoonotic infection caused by avian-mycobacterium aviumcomplex or Mycobacterium avium-intracellularecomplex (MAC) infection. MAC infection can invade many tissues and organs including lung, bone marrow, Lymph nodes, etc.

Avian intracellular complex Mycobacterium

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Avian mycobacterium disease is a zoonotic infection caused by avian-mycobacterium aviumcomplex or Mycobacterium avium-intracellularecomplex (MAC) infection. MAC infection can invade many tissues and organs including the lung,

Short to long Bacillus, somewhat filamentous. Egg culture medium is diluted and inoculated, and incubated at 37 ° C for 7 days or longer, usually producing smooth, pigment-free colonies. Old colonies may turn yellow. On oleate egg protein agar, the colonies are smooth, thin, and transparent. Colonies with cracked leaves and no pigment; rough colonies occasionally. Tuberculosis in poultry and other birds; localized disease in pigs. Experimental inoculation, proliferation in rabbits and mice, but no macrotuberculosis. for

Isolated from poultry tuberculosis. It is widely distributed as the pathogen of tuberculosis in birds and is less common in lesions or lymph nodes of cattle, pigs and other animals. Rarely seen in soil or human pathogens. Bird serum types 1 and 2 are widely distributed on at least three continents, while the new type 3 is only found in Europe.