Research Article
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%) |
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