Characterization and Antimicrobial Susceptibility Patterns of Listeria monocytogenes from Raw Cow Milk in the Southern Part of Ethiopia

Table 7

Patterns of multidrug-resistance of L. monocytogenes isolated from raw cow milk.

No. of isolates (%)	No. of classes with resistance	Resistance to antimicrobial profile	Classes with resistance
8 (40.05)	2	EM, NA	Mac-Qui
3 (17.65)	3	AMP, EM, NA	Pen-Mac-Qui
2 (11.76)		STR, EM, NA	Ami-Mac-Qui
2 (11.76)		CHL, EM, NA	Chl-Mac-Qui
1 (5.88)		CHL, AMP, NA	Chl-Pen-Qui

AMP: ampicillin; STR: streptomycin; NA: nalidixic acid; CHL: chloramphenicol; EM: erythromycin; Qui: quinolones; Mac: macrolides; Pen: penicillins; Ami: aminoglycosides; Chl: chloramphenicol.