Some Studies on E-Coli Mastitis in Cattle and Buffaloes

Abdel kerim A.Mahmoud; Adel M. Khadr; Tharwat M. Elshemy; Hassan A. Hamoda; Mohamed I. Ismail

doi:10.5455/ajvs.178113

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Original Article
Online Published: 15 Apr 2015

AJVS. 2015; 45(1): 105-112

doi: 10.5455/ajvs.178113

Some Studies on E-Coli Mastitis in Cattle and Buffaloes

Abdel Kerim A.mahmoud, Adel M. Khadr, Tharwat M. Elshemy, Hassan A. Hamoda, Mohamed I. Ismail.

Abstract
The aim of this study is to identify the role of E.coli in bovine mastitis, its virulence factors and antimicrobial sensitivity. 360 lactating cows and buffaloes were examined clinically and by CMT, 210 were suffering from clinical mastitis with percentage of 62.7% and 39 (20.36%) E.coli isolates were detected in clinical cases of mastitis, 90 cases were suffering from subclinical mastitis and 6 (6.8%) E.coli isolates were detected in them. The percentage of E.coli in cows was 31 (21.142%) and in buffaloes 8 (18.33%) isolates. Serotyping of E.coli revealed that O55 (30%), O111 (15%), O124 (15%), O119 (10%), O114 (10%), O26 (5%), O157 (10%) and O44 (5%). Thats showing that O55, O111 and O124 the most serotypes causing mastitis. PCR identification of TraT gene revealed 5 cases were positive and give positive reaction at 307 bp. and for eaeA gene revealed 6 cases and give positive reaction at 384 bp. The antimicrobial sensitivity indicated that the most effective antibiotics were lincospectine (56.6%), danofloxacin (56.6%), enrofloxacin (40%) and ceftifure (40%), while the lowest effective antibiotics were oxytetracycline and ampicillin.

Key words: E.coli, Cattle, Buffaloes, Serological identification, PCR

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How to Cite this Article

Pubmed Style

A.mahmoud AK, Khadr AM, Elshemy TM, Hamoda HA, Ismail MI. Some Studies on E-Coli Mastitis in Cattle and Buffaloes. AJVS. 2015; 45(1): 105-112. doi:10.5455/ajvs.178113

Web Style

A.mahmoud AK, Khadr AM, Elshemy TM, Hamoda HA, Ismail MI. Some Studies on E-Coli Mastitis in Cattle and Buffaloes. https://www.alexjvs.com/?mno=178113 [Access: May 03, 2025]. doi:10.5455/ajvs.178113

AMA (American Medical Association) Style

A.mahmoud AK, Khadr AM, Elshemy TM, Hamoda HA, Ismail MI. Some Studies on E-Coli Mastitis in Cattle and Buffaloes. AJVS. 2015; 45(1): 105-112. doi:10.5455/ajvs.178113

Vancouver/ICMJE Style

A.mahmoud AK, Khadr AM, Elshemy TM, Hamoda HA, Ismail MI. Some Studies on E-Coli Mastitis in Cattle and Buffaloes. AJVS. (2015), [cited May 03, 2025]; 45(1): 105-112. doi:10.5455/ajvs.178113

Harvard Style

A.mahmoud, A. K., Khadr, . A. M., Elshemy, . T. M., Hamoda, . H. A. & Ismail, . M. I. (2015) Some Studies on E-Coli Mastitis in Cattle and Buffaloes. AJVS, 45 (1), 105-112. doi:10.5455/ajvs.178113

Turabian Style

A.mahmoud, Abdel Kerim, Adel M. Khadr, Tharwat M. Elshemy, Hassan A. Hamoda, and Mohamed I. Ismail. 2015. Some Studies on E-Coli Mastitis in Cattle and Buffaloes. Alexandria Journal of Veterinary Sciences, 45 (1), 105-112. doi:10.5455/ajvs.178113

Chicago Style

A.mahmoud, Abdel Kerim, Adel M. Khadr, Tharwat M. Elshemy, Hassan A. Hamoda, and Mohamed I. Ismail. "Some Studies on E-Coli Mastitis in Cattle and Buffaloes." Alexandria Journal of Veterinary Sciences 45 (2015), 105-112. doi:10.5455/ajvs.178113

MLA (The Modern Language Association) Style

APA (American Psychological Association) Style

A.mahmoud, A. K., Khadr, . A. M., Elshemy, . T. M., Hamoda, . H. A. & Ismail, . M. I. (2015) Some Studies on E-Coli Mastitis in Cattle and Buffaloes. Alexandria Journal of Veterinary Sciences, 45 (1), 105-112. doi:10.5455/ajvs.178113

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