ACTINOMYCOSIS/NOCARDIOSIS AETIOLOGY

Both Actinomyces spp and Nocardia spp are Gram-positive, pleomorphic, branching rods and filaments. The two organisms are difficult to distinguish except by culture.


Actinomyces are part of the normal flora of the oral cavity and respiratory tract of cats and dogs.

Nocardia are common soil saprophytes.



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