Title : ( Biofilm formation, hemolysin production and antimicrobial susceptibilities of Streptococcus agalactiae isolated from the mastitis milk of dairy cows in Shahrekord district, Iran )
Authors: Azizollah Ebrahimi , Azar Moatamedi , Sharareh Lotfalian , pezhman Mirshokraei ,
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Abstract
Streptococcus agalactiae is a major contagious pathogen causing bovine sub-clinical mastitis. The present investigation was carried out to determine some phenotypic characteristics of the S. agalactiae strains isolated from bovine mastitis cases in dairy cows of Shahrekord in the west-center of Iran. One hundred eighty California mastitis test (CMT) positive milk samples were bacteriologically studied. A total of 31 (17.2%) S. agalactiae isolated. Twenty eight (90.3%) of the isolates were biofilm producers. This finding may indicate the high potential of pathogenicity in isolated strains. Sixteen (51.6%) isolates were α hemolysin producers. Only 19.3%, 22.5% and 29.0% of the isolates were sensitive to streptomycin, flumequine and kanamycin, respectively. None of these three agents is recommended for treatment of mastitis cases. ©
Keywords
Antimicrobial susceptibility Biofilm Iran Mastitis Streptococcus
@article{paperid:1040915,
author = {Azizollah Ebrahimi and Azar Moatamedi and Sharareh Lotfalian and Mirshokraei, Pezhman},
title = {Biofilm formation, hemolysin production and antimicrobial susceptibilities of Streptococcus agalactiae isolated from the mastitis milk of dairy cows in Shahrekord district, Iran},
journal = {Veterinary Research Forum},
year = {2013},
volume = {4},
number = {4},
month = {April},
issn = {2008-8140},
pages = {269--272},
numpages = {3},
keywords = {Antimicrobial susceptibility Biofilm Iran Mastitis Streptococcus},
}
%0 Journal Article
%T Biofilm formation, hemolysin production and antimicrobial susceptibilities of Streptococcus agalactiae isolated from the mastitis milk of dairy cows in Shahrekord district, Iran
%A Azizollah Ebrahimi
%A Azar Moatamedi
%A Sharareh Lotfalian
%A Mirshokraei, Pezhman
%J Veterinary Research Forum
%@ 2008-8140
%D 2013
