Prevalence and Characterization of Quinolones Resistant E.Coli From Calves in Kafr-Elsheikh Province

Noha A. Beder; Adel A. Fayed

doi:10.5455/ajvs.199067

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Original Article
Online Published: 30 Oct 2015

AJVS. 2015; 47(1): 1-6

doi: 10.5455/ajvs.199067

Prevalence and Characterization of Quinolones Resistant E.Coli From Calves in Kafr-Elsheikh Province

Noha A. Beder, Adel A. Fayed.

Abstract
A total number of 250 calves were subjected to thorough clinical examination and rectal swabbing for bacterial isolation. These calves were divided into two groups; the first one was123 calves which appeared healthy with shiny eyes and bloomy skin. The second group was 127 calves with diarrhea, different degrees of dehydration and most of them were separated from their dams before weaning age and did not take the colostrum. The most common bacterial isolates were Escherichia coli (E.coli) (100 isolates, 39.7%). The quinolone resistance phenotypes of E.coli isolates were recorded in 50 calves (42 diarrheic and 8 healthy calves); nalidixic acid (NAL 26%), norfloxacin (NOR 29%), ciprofloxacin (CIP 23 %) and enrofloxacin (ENRO 33%). PCR amplification reaction of twenty resistant E.coli isolates detected the plasmid- mediated quinolone resistance genes; qnrA, in four isolates (diarrheic calves) and aac(6)Ib-cr in sex isolates (four diarrheic and two of healthy calves). We concluded that several mechanisms of quinolones resistance are present in enteric E.coli from diarrheic as well as healthy calves. These resistances increase the public health hazard of these bacteria.

Key words: Calf, Diarrhea, E.coli, Quinolone resistance

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Pubmed Style

Beder NA, Fayed AA. Prevalence and Characterization of Quinolones Resistant E.Coli From Calves in Kafr-Elsheikh Province. AJVS. 2015; 47(1): 1-6. doi:10.5455/ajvs.199067

Web Style

Beder NA, Fayed AA. Prevalence and Characterization of Quinolones Resistant E.Coli From Calves in Kafr-Elsheikh Province. https://www.alexjvs.com/?mno=199067 [Access: May 04, 2025]. doi:10.5455/ajvs.199067

AMA (American Medical Association) Style

Beder NA, Fayed AA. Prevalence and Characterization of Quinolones Resistant E.Coli From Calves in Kafr-Elsheikh Province. AJVS. 2015; 47(1): 1-6. doi:10.5455/ajvs.199067

Vancouver/ICMJE Style

Beder NA, Fayed AA. Prevalence and Characterization of Quinolones Resistant E.Coli From Calves in Kafr-Elsheikh Province. AJVS. (2015), [cited May 04, 2025]; 47(1): 1-6. doi:10.5455/ajvs.199067

Harvard Style

Beder, N. A. & Fayed, . A. A. (2015) Prevalence and Characterization of Quinolones Resistant E.Coli From Calves in Kafr-Elsheikh Province. AJVS, 47 (1), 1-6. doi:10.5455/ajvs.199067

Turabian Style

Beder, Noha A., and Adel A. Fayed. 2015. Prevalence and Characterization of Quinolones Resistant E.Coli From Calves in Kafr-Elsheikh Province. Alexandria Journal of Veterinary Sciences, 47 (1), 1-6. doi:10.5455/ajvs.199067

Chicago Style

Beder, Noha A., and Adel A. Fayed. "Prevalence and Characterization of Quinolones Resistant E.Coli From Calves in Kafr-Elsheikh Province." Alexandria Journal of Veterinary Sciences 47 (2015), 1-6. doi:10.5455/ajvs.199067

MLA (The Modern Language Association) Style

APA (American Psychological Association) Style

Beder, N. A. & Fayed, . A. A. (2015) Prevalence and Characterization of Quinolones Resistant E.Coli From Calves in Kafr-Elsheikh Province. Alexandria Journal of Veterinary Sciences, 47 (1), 1-6. doi:10.5455/ajvs.199067

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