Acid fast gram positive rods

Question 1

Nocardia

Answer 1

Family: Nocardiaceae
slow growing (4-6 days) 
obligate aerobe
found in soil
produces norcardosis (can cause pneumonia)

Question 2

Mycobacterium

Answer 2

Family: Mycobacteriaceae
very slow growth (2-3 weeks)
.obligate aerobe
will grow up to 45C
requires special media

Question 3

Mycobacterium tuberculosis

Answer 3

causes tuberculosis
be sure to work under fume hood if working with tuberculosis
federally reportable disease
inspections done at slaughtering plants

Question 4

Mycobacterium bovis

Answer 4

tuberculosis in bovine, swine, and felines

Question 5

Mycobacterium avium

Answer 5

most common cause of tuberculosis in swine
host in domestic fowl
lesions occur in intestinal tract, liver, and spleen

Question 6

Mycobacterium paratuberculosis

Answer 6

produces Johne’s disease (wasting away)

constant diarrhea