| Abstract: |
A total of 157 samples were collected from four commercial broilerfarms at Sharkia, Egypt, including 125 organ samples from morbid birdsin addition to 32 water samples from the same four farms. E. Coli wasisolated by percentage of (61.6%) and (21.9%) from organ and watersamples respectively. Meanwhile Salmonella sp. were isolated bypercentage of (1l.2%) and (3.1%) from organ and water samplesrespectively. Enterobacter sp., Citrobacter sp. and Proteus sp. wererecovered from water samples with an incidence of 6.2%, 6.2% and 12.5%. respectively.A total of 54 urine samples were collected from private laboratories. E.coli, Klebsiella sp., Enterobacter sp. and Proteus sp. were recovered withthe frequency of (55:5%), (3.7%), (3.7%) and (11.1 %) respectively.A total of 30 vaginal and cervical swabs were collected from privatelaboratories. E. coli was isolated by percentages of (20%) and (10%)from vaginal and cervical swabs respectively.The prevalence of antimicrobial resistance among 77 E. coli isolatedfrom broilers were 15(19.5%) to cefotaxime, 18 (23.4%) to ceftiofur,39(50.5%) to ciprofloxacin, 27(35.1 %) to gentamicin, 71(92.2%) toampicillin, 74(96.1 %) to doxycycline, 65(84.4%) to trimethoprim/sulfamethoxazole, 62(80.5%) to spectinomycin and 61(79.2%) tostreptomycin.The isolated (30) E. coli isolates from human urine were resistant tocefotaxime, ciprofloxacin, gentamicin, amikacin and trimethoprim/
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