Genotypic Characterization of Antibiotic Resistant Escherichia coli Isolates Recovered from Baladi Chicks in Fayoum Governorate
El-Kholi, S., E, H., M, E., M, Z., Shehata, A. (2016). Genotypic Characterization of Antibiotic Resistant Escherichia coli Isolates Recovered from Baladi Chicks in Fayoum Governorate. EKB Journal Management System, 62(4), 63-70. doi: 10.21608/vmjg.2016.365345
Samia El-Kholi; Hatem E; El-Hariri M; Zaki M; Abeer Shehata. "Genotypic Characterization of Antibiotic Resistant Escherichia coli Isolates Recovered from Baladi Chicks in Fayoum Governorate". EKB Journal Management System, 62, 4, 2016, 63-70. doi: 10.21608/vmjg.2016.365345
El-Kholi, S., E, H., M, E., M, Z., Shehata, A. (2016). 'Genotypic Characterization of Antibiotic Resistant Escherichia coli Isolates Recovered from Baladi Chicks in Fayoum Governorate', EKB Journal Management System, 62(4), pp. 63-70. doi: 10.21608/vmjg.2016.365345
El-Kholi, S., E, H., M, E., M, Z., Shehata, A. Genotypic Characterization of Antibiotic Resistant Escherichia coli Isolates Recovered from Baladi Chicks in Fayoum Governorate. EKB Journal Management System, 2016; 62(4): 63-70. doi: 10.21608/vmjg.2016.365345

Genotypic Characterization of Antibiotic Resistant Escherichia coli Isolates Recovered from Baladi Chicks in Fayoum Governorate

Veterinary Medical Journal (Giza)
Volume 62, Issue 4, October 2016, Page 63-70  XML PDF (2.71 MB)
Document Type: Original Article
DOI: 10.21608/vmjg.2016.365345
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Authors
Samia El-Kholi* 1; Hatem E2; El-Hariri M2; Zaki M3; Abeer Shehata4
1Directorate of Veterinary Medicine, Fayoum, Egypt
2Microbiology Department, Faculty of Veterinary Medicine, Cairo University
3Poultry Diseases, Faculty of Veterinary Medicine, Cairo University
4Department of Bacteriology, Animal Health Research Institute, Fayoum Laboratory, Agricultural Research Center, Egypt
Abstract
A total of 23 isolates of E. coli, recovered from Baladi chicks manifested respiratory signs associated with diarrhea and belonged to different O-serogroups was investigated for antimicrobial resistance and tested for their tetracycline and ciprofloxacin resistance genes. The result recovered that 91.3% of the isolates were resistant to tetracycline and 26.1% to ciprofloxacin (quinolone group). Ten out of 23 E. coli isolates tested for detection of antimicrobial resistance genes, 5 (50%) isolates were positive for tetA(A) gene, where 5 (50%) isolates were positive for tetA(B) gene. On the other hand all the E. coli isolates 10 (100%) were positive for gyrA gene, where only one isolate (10%) was positive for aac(6’)-Ib-cr gene.
Keywords
Multiple drug resistant E. coli in poultry; Antimicrobial sensitivity test; PCR; Detection of the resistant genes of E. coli
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