| Summary: | The prevalence of antimicrobial resistance Escherichia coli infection in diarrhoeic piglets was studied. Sixty-five
samples were collected from 10 farms in Penang, Perak and Selangor. Escherichia coli isolated from the samples were
subjected to antimicrobial sensitivity test. The results showed that Escherichia coli was highly resistant to
oxytetracylcine (100%), nalidixic acid (96.8%), trimethoprim-sulfadimthoxine (95.1 %), chloramphenicol (91.9%), enrofloxacin (90.3 %), ampicilllin (85.5 %), kanamycin (74.2 %) and neomycin (71.3 %). However, Escherichia coli was sensitive to apramycin and colistin sulphate. Most of the Escherichia coli isolates showed multiple resistance to the antimicrobials tested in this study.
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