E-ISSN 2536-9520 | ISSN 1110-2047
 

Original Article 


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

Noha A. Beder, Adel A. Fayed. 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

Noha A. Beder, Adel A. Fayed. Prevalence and Characterization of Quinolones Resistant E.Coli From Calves in Kafr-Elsheikh Province. https://www.alexjvs.com/?mno=199067 [Access: December 03, 2023]. doi:10.5455/ajvs.199067


AMA (American Medical Association) Style

Noha A. Beder, Adel A. Fayed. 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

Noha A. Beder, Adel A. Fayed. Prevalence and Characterization of Quinolones Resistant E.Coli From Calves in Kafr-Elsheikh Province. AJVS. (2015), [cited December 03, 2023]; 47(1): 1-6. doi:10.5455/ajvs.199067



Harvard Style

Noha A. Beder, Adel A. Fayed (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

Noha A. Beder, 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

Noha A. Beder, 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

Noha A. Beder, Adel A. Fayed. "Prevalence and Characterization of Quinolones Resistant E.Coli From Calves in Kafr-Elsheikh Province." Alexandria Journal of Veterinary Sciences 47.1 (2015), 1-6. Print. doi:10.5455/ajvs.199067



APA (American Psychological Association) Style

Noha A. Beder, 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





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