Antimicrobial resistance patterns and biofilm formation of coagulase-negative Staphylococcus species isolated from subclinical mastitis cow milk samples submitted to the Onderstepoort Milk Laboratory

Table 6 Antimicrobial resistance patterns of Staphylococcus haemolyticus, isolated from cow milk samples at the Onderstepoort milk laboratory, 2017

Group	Antimicrobial	AMR-S. haemolyticus^b (n = 13)			MDR-S. haemolyticus^c (n = 7)
Group	Antimicrobial	Percent	95%	CI^a	Percent	95%	CI^a
Lincosamide	Clindamycin	6	1	28	14	3	51
Penicillins	Penicillin	56	33	77	100	65	100
	Ampicillin	44	23	67	71	36	92
	Cloxacillin	13	3	36	29	8	64
Tetracyclines	Oxytetracycline	13	3	36	29	8	64
Phenicols	Chloramphenicol	6	1	28	14	3	51
flouroquinolone	Ciprofloxacin	19	7	43	29	8	64
Cephalosporin	Cefoxitin	13	3	36	29	8	64
Glycopeptide	Vancomycin	0	0	19	0	0	35
Aminoglycoside	Streptomycin	31	14	56	43	16	75
Macrolide	Erythromycin	25	10	50	57	25	84

^a95% CI = 95% confidence interval
^bAMR- S. haemolyticus = S. haemolyticus resistant to at least one antimicrobial
^cMDR- S. haemolyticus = Multidrug resistance of S. haemolyticus

ISSN: 1746-6148