Antimicrobial susceptibility of environmental bovine mastitis pathogens in west central Iran

The purpose of this study was to describe antimicrobial susceptibility of environmental mastitis pathogens isolated from dairy herds of Chahar Mahal province in west central Iran. Out of the 620 milk samples collected from the four districts, 180 were CMT (California mastitis test) positive that cul...

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Bibliographic Details
Published in:Pakistan journal of biological sciences 2007-09, Vol.10 (17), p.3014-3016
Main Authors: Ebrahimi, Azizollah, Kheirabadi, K H Pirali, Nikookhah, Farzaneh
Format: Article
Language:English
Subjects:
Animals
Anti-Bacterial Agents - pharmacology
Anti-Infective Agents - pharmacology
Cattle
Drug Resistance, Microbial
Drug Resistance, Multiple, Bacterial
Escherichia coli
Female
Food Contamination
Iran
Mastitis, Bovine - diagnosis
Mastitis, Bovine - microbiology
Microbial Sensitivity Tests - veterinary
Milk - microbiology
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Summary:The purpose of this study was to describe antimicrobial susceptibility of environmental mastitis pathogens isolated from dairy herds of Chahar Mahal province in west central Iran. Out of the 620 milk samples collected from the four districts, 180 were CMT (California mastitis test) positive that cultured and yield, 7 (3.88%) coagulase negative Staphylococci (CNS), 15 (8.33%) Streptococci other than agalactiae and 17 (9.44%) E. coli. CNS resistance to penicillin was 14.28% but for streptomycin, Oxytetracycline and Colistin, were 28.57%. Non agalactiae Streptococci resistance to Oxytetracycline and Kanamycin were 20 and 13.33%, respectively. E. coli resistance to penicillin, oxytetracycline, streptomycin, erythromycin and Colistin were 88.23, 82.35, 76.47, 76.47 and 52.94%, respectively.
ISSN:1028-8880
DOI:10.3923/pjbs.2007.3014.3016