TY - BOOK AU - Abdallah Mohamed Abdelhalim Sallam AU - Nagah Mostafa Hafiz , AU - Saad Ahmed Attia , TI - Studies on antimicrobial resistance and its relation to antibiotic reaidues / PY - 2013/// CY - Cairo : PB - Abdallah Mohamed Abdelhalim Sallam , KW - Antibiotic residues KW - Antimicrobial resistance KW - E.coli - Milk N1 - Thesis (M.Sc.) - Cairo University - Faculty of Veterinary Medicine - Department of Microbiology; Issued also as CD N2 - In this study 100 samples (50 cow's milk & 50 fecal swabs) were examined for the presence of E. coli by using conventional method and PCR. E. coli could be isolated from cow's milk and facal swabs in a percentage of 18% and 42% respectively. E.coli isolates were tested for susceptibility to eleven antibiotics ampicillin ER -