Prevalence and Antibiotic Resistance of <i>Escherichia coli</i> Isolated from Raw Cow's Milk.

Over our 5-year study period, the isolates showed an increasing trend of resistance to amoxicillin (from 3.77% to 19.05%), ampicillin (from 5.56% to 28.57%), streptomycin (from 18.52% to 78.38%, statistically significant with p -value < 0.05) ( Figure 1 ), kanamycin–cephalexin (from 12.96% to 46.67%), marbofloxacin (from 0% to 14.29%), and gentamicin (from 1.85% to 9.76%).

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On the other hand, cefquinome and penicillin G-framycetin showed a decreasing trend in resistance.

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