Prevalence and Antibiogram of Escherichia coli and Staphylococcus spp. Isolated from Cattle Milk Products Sold in Juja Sub-County, Kenya

Table 2

Prevalence of various bacteria isolated from milk and milk products sold in various outlets in Juja Sub-County, Kenya.

Bacteria isolated	Type of milk and milk product
	Raw milk (n = 95)	Pasteurized milk (n = 9)	UHT-packed milk (n = 30)	Yoghurt (n = 12)	Fermented milk (n = 23)	Total (n = 169)
S. sciuri	17 (17.8%)	4 (44.5%)	0 (0)	0 (0)	0 (0)	21 (12.4%)
S. saprophyticus	10 (10.5%)	2 (22.2%)	1 (3.3%)	0 (0%)	1 (4.4%)	14 (8.3%)
S. warneri	6 (6.3%)	0 (0%)	1 (3.3%)	0 (0%)	0 (0%)	7 (4.1%)
S. xylosus	1 (1.1%)	0 (0%)	0 (0%)	0 (0%)	0 (0%)	1 (0.6%)
E. coli	4 (4.2%)	1 (11.1%)	0 (0%)	0 (0%)	15 (65.2%)	20 (11.8%)
Serratia marcescens	15 (15.8%)	0 (0%)	0 (0%)	0 (0%)	0 (0%)	15 (8.9%)
Enterobacter asburiae	10 (10.5%)	0 (0%)	0 (0%)	0 (0%)	0 (0%)	10 (5.9%)
Enterobacter cloacae	9 (9.5%)	2 (22.2%)	0 (0%)	1 (8.3%)	7 (30.4)	19 (11.3%)
Bacillus cereus	6 (6.3%)	0 (0%)	0 (0%)	0 (0%)	0 (0%)	6 (3.6%)
Klebsiella pneumoniae	5 (5.3%)	0 (0%)	0 (0%)	0 (0%)	0 (0%)	5 (2.9%)
Aeromonas spp.	4 (4.2%)	0 (0%)	0 (0%)	0 (0%)	0 (0%)	4 (2.4%)
Citrobacter freundii	3 (3.2%)	0 (0%)	0 (0%)	0 (0%)	0 (0%)	3 (1.8%)
Exiguobacterium acetylicum	2 (2.1%)	0 (0%)	0 (0%)	0 (0%)	0 (0%)	2 (1.2%)
Acinetobacter baumanii	2 (2.1%)	0 (0%)	0 (0%)	0 (0%)	0 (0%)	2 (1.2%)
Raoultella ornithinolytica	1 (1.1%)	0 (0%)	0 (0%)	0 (0%)	0 (0%)	1 (0.6%)
Total	95 (100%)	9 (100%)	2 (6.7%)	1 (8.3%)	23 (100%)	130 (76.9%)