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|a2=
 
Actinomyces species and Nocardia species are bacterial genera that have this morphology. Of the two, Actinomyces is most likely in cases of pyothorax in the cat.
 
Actinomyces species and Nocardia species are bacterial genera that have this morphology. Of the two, Actinomyces is most likely in cases of pyothorax in the cat.
|l2=Actinomyces species - Overview
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|l2=Actinomycetes Overview
 
|q3=How can you differentiate between the two before culture results can be received?
 
|q3=How can you differentiate between the two before culture results can be received?
 
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An acid-fast stain (either Ziehl–Neelsen, or Kinyoun’s Cold Acid-Fast [an easy one to do in-house]) would differentiate the two species; Nocardia species are partially acid-fast, whilst Actinomyces are acid-fast negative.
 
An acid-fast stain (either Ziehl–Neelsen, or Kinyoun’s Cold Acid-Fast [an easy one to do in-house]) would differentiate the two species; Nocardia species are partially acid-fast, whilst Actinomyces are acid-fast negative.
|l3=Bacterial Disease - Laboratory Diagnosis
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|l3=Actinomycetes Overview
 
</FlashCard>
 
</FlashCard>
  
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