Research Article

Prevalence, Contamination Level, and Associated Factors of Methicillin-Resistant Staphylococcus aureus in Raw Cow Milk at Selected Districts of Gamo Zone, Southern Ethiopia

Table 2

Bacteriological contamination and bacterial load of raw cow milk collected in Arba Minch and Chencha town, Gamo zone.

Geographical location sample sourcesTotal tested samplesGrowth statusBacterial load (log10 cfu/g)Acceptability of the milk under consideration based on microbiological load
Positive sample nos. (%)MinMaxMean ± SD cfu/gSatisfactory no. (%)Marginal no. (%)Unsatisfactory no. (%)Potential risk no. (%)

TVC1401401.098.525.3 ± 1.6854 (38.6)64 (45.7)22 (15.7)
Highland6060 (100)2.238.015.5 ± 1.3721 (35)30 (50)9 (15)N/A
Lowland8080 (100)1.098.525.15 ± 1.833 (41.25)34 (42.5)13 (16.25)N/A
TSC14059 (42.1)0.004.991.36 ± 1.781 (57.9)28 (20)15 (10.7)16 (11.4)
Highland6030 (50)0.004.771.56 ± 1.730 (50)15 (25)10 (16.7)5 (8.3)
Lowland8029 (36.25)0.004.991.2 ± 1.751 (63.75)13 (16.25)5 (6.25)11 (13.75)
Overall extrapolation16 (11.4)94 (67.2)14 (10)16 (11.4)