Biofilm production of coagulase-negative staphylococci isolated from rescued wild animals in the Republic of Korea

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)
	Conjunctive	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)
	Nasal cavity	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)
	Perianal	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)
	Rectum	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)
	Total	S (20)	0.305 ± 0.028	12 (60.0)	8 (40.0)	0 (0)
Birds	Cloaca	R (0)	–	–	–	–
	Cloaca	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)
	Conjunctiva	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)
	Nasal cavity	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)
	Oral mucosa	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)
	Pericloacal	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)
	Rectum	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)
	Total	S (26)	0.412 ± 0.099	16 (61.5)	9 (34.6)	1 (3.8)

ISSN: 1751-0147