Time to test your microbiological skills. What do you think was cultured form these nodules? At the end of the post you can vote for the right diagnosis!

In a female, cross-bred, 3 years old pig carcass 2 well-encapsulated nodules were observed, both contained caseous material organised forming concentric laminae.

Encapsulated nodule, ventral to the vertebral column.

Encapsulated nodule, ventral to the vertebral column.

Within the nodules, caseous material is found, arragend in concentric laminae.

Within the nodules, caseous material is found, arragend in concentric laminae.

What is your diagnosis? (31)

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  Microbiological culture allowed the identification of abundant Trueperella pyogenes. Its one of the most common bacteria isolated from pig carcass abscesses. Formerly known as Arcanobacterium pyogenes, before that as Actinomyces pyogenes and even before as Corynebacterium pyogenes.
Your answers are highlighted below.
Question 1
What do you think was cultured in the microbiology lab?
A
Haemophilus parasuis
B
Corynebacterium pseudotuberculosis
C
Mycobacterium avium subsp. hominisuis
D
Trueperella pyogenes
E
Erysipelothrix rhusiopathiae
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