ASEAN Journal on Science and Technology for Development


Contamination of meat by Escherichia coli (E. coli) can take its source from the live animal or by cross contamination. The study determined the prevalence of resistance of E. coli isolated from locally produced meats in the Tema Metropolis. Beef (n=200), chicken (n=200) and pork (n=200) were randomly selected and evaluated for the presence of E. coli using the procedure in the Bacteriological Analytical Manual of USA-FDA. The disc diffusion method was used for antibiotic susceptibility test of E. coli (n=55) isolates. Locally produced beef (67%), chicken (41%) and pork (23%) were contaminated by E. coli. Escherichia coli isolates were resistant (≥ 60%) to amoxicillin, tetracycline and trimethoprim, but susceptible (≥ 60%) to imipenem, ceftriaxone and gentamicin. Some local meat samples produced in Tema Metropolis, Ghana are contaminated by antibiotic resistant E. coli. Proper cooking of meat prior to consumption is recommended.

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