Table 2 Results of biofilm production assays of 83 coagulase negative staphylococci isolates
Animal | Sample origin | Methicillin resistance (No.) | Mean OD570 ± SD | No. (%) of strong or moderate biofilm producer | No. (%) of mild biofilm producer | No. (%) of non-biofilm producer |
|---|---|---|---|---|---|---|
Mammals | Conjunctive | R (3) | 0.426 ± 0.006 | 3 (100) | 0 (0) | 0 (0) |
S (10) | 0.412 ± 0.032 | 6 (60.0) | 4 (40.0) | 0 (0) | ||
Nasal cavity | R (2) | 1.933 ± 0.048 | 2 (100) | 0 (0) | 0 (0) | |
S (6) | 0.134 ± 0.025 | 2 (33.3) | 4 (66.7) | 0 (0) | ||
Perianal | R (1) | 0.551 ± 0.050 | 1 (100) | 0 (0) | 0 (0) | |
S (2) | 0.265 ± 0.083 | 2 (100) | 0 (0) | 0 (0) | ||
Rectum | R (1) | 0.792 ± 0.028 | 1 (100) | 0 (0) | 0 (0) | |
S (2) | 0.319 ± 0.021 | 2 (100) | 0 (0) | 0 (0) | ||
Total | R (7) | 0.926 ± 0.027 | 7 (100) | 0 (0) | 0 (0) | |
S (20) | 0.305 ± 0.028 | 12 (60.0) | 8 (40.0) | 0 (0) | ||
Birds | Cloaca | R (0) | – | – | – | – |
S (3) | 0.188 ± 0.013 | 2 (66.7) | 1 (33.3) | 0 (0) | ||
Conjunctiva | R (6) | 0.253 ± 0.027 | 3 (50.0) | 3 (50.0) | 0 (0) | |
S (4) | 0.284 ± 0.018 | 3 (75.0) | 1 (25.0) | 0 (0) | ||
Nasal cavity | R (15) | 0.427 ± 0.096 | 8 (53.3) | 6 (40.0) | 1 (6.7) | |
S (3) | 0.336 ± 0.099 | 1 (33.3) | 1 (33.3) | 1 (33.3) | ||
Oral mucosa | R (5) | 1.003 ± 0.512 | 5 (100) | 0 (0) | 0 (0) | |
S (5) | 0.506 ± 0.126 | 5 (100) | 0 (0) | 0 (0) | ||
Pericloacal | R (2) | 0.134 ± 0.008 | 1 (50.0) | 1 (50.0) | 0 (0) | |
S (8) | 0.239 ± 0.038 | 2 (25.0) | 6 (75.0) | 0 (0) | ||
Rectum | R (2) | 0.479 ± 0.176 | 2 (100) | 0 (0) | 0 (0) | |
S (3) | 1.186 ± 0.407 | 3 (100) | 0 (0) | 0 (0) | ||
Total | R (30) | 0.472 ± 0.125 | 19 (63.3) | 10 (33.3) | 1 (3.3) | |
S (26) | 0.412 ± 0.099 | 16 (61.5) | 9 (34.6) | 1 (3.8) |