Biofilm Formation by Mycobacterium bovis: Influence of Surface Kind and Temperatures of Sanitizer Treatments on Biofilm Control

Table 3

Biofilms (OD 600_nm) formed by Mycobacterium bovis strains after 4 weeks of incubation in three different microbiological media at 37°C.

Base growth media (7H9 with 0.1% T80) and supplements	Mycobacterium bovis strains	Biofilm mass (𝐴600nm) (n = 4)
		Stainless steel	Cement	Ceramic
5% liver extract	BCG	0.887^cA	1.733^aA	1.679^bA
	MBV1	0.723^bB	1.475^aAB	0.557^cF
10% OADC and 5% liver extract	BCG	0.723^cB	1.793^aA	1.456^bB
	MBV1	0.685^cC	1.477^aAB	0.958^bD
10% OADC	BCG	0.686^cC	1.785^aA	1.276^bC
	MBV1	0.332^bD	1.472^aC	0.714^abE

OADC: a growth supplement containing oleic-acid, albumin, dextrose, and catalase.
Means in the same row not followed by the same lowercase letter are statistically significant (P < 0.05).
Means in the same column not followed by the same uppercase letter are statistically significant (P < 0.05).