Research Article

Prevalence and Antimicrobial Susceptibility Pattern of E. coli O157:H7 Isolated from Traditionally Marketed Raw Cow Milk in and around Asosa Town, Western Ethiopia

Table 2

Mean (±SE) count (log10/ml) of E. coli in raw cow milk from two different sources collected under different conditions.

RangeMean 95% CI for mean valueSE
LowerUpper

Sources
 Farmer1.10–7.004.7204.3125.1270.203
 Vendors1.10–7.004.9784.6205.3360.180
Hygienic condition
 Good1.10–7.004.5563.9835.1110.278
 Poor1.81–7.005.0164.4165.3160.151
Containers
 Plastic1.10–7.004.9264.6155.2380.157
 Stainless steel1.10–6.134.7104.1705.2500.264
Time ranges
 <1 hour1.10–7.004.2584.2144.9020.173
 1-2 hours5.35–7.004.4253.3365.5130.481
 2:01–4 hours1.81–6.135.7795.0286.5290.354
 4:01–5 hours1.81–7.006.1614.1038.2180.478
 >5 hours1.81–7.005.2394.6265.8530.297