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Table 3 Colony morphology observed after two weeks incubation on Middlebrook 7H10 agar at 37°C.

From: Biofilm formation by Mycobacterium avium isolates originating from humans, swine and birds

Colony morphology

Origin

SmT1

SmO2

Intermediate

Total

Avian

8 (80%)

2 (20%)

 

10 (100%)

Human

15 (42%)

18 (50%)

3 (8%)

36 (100%)

Biofilm forming porcine

7 (78%)

2 (22%)

 

9 (100%)

Biofilm non-forming porcine

19 (45%)

20 (48%)

3 (7%)

42 (100%)

Total

49 (51%)

42 (43%)

6 (6%)

97 (100%)

  1. 1Smooth transparent
  2. 2Smooth opaque
  3. The reference strain ATCC 25291 was the only rough (Rg) isolate after two weeks.
  4. Ref. strains are not included in the table.