Emerging of coagulase negative staphylococci as a cause of mastitis in dairy aimals : An environmental hazard.

Abstract: In Egypt, knowledge about the coagulase negative staphylococci (CNS) involved in mastitic animals is limited. CNS have emerged to be pathogens causing intramammary infections in Egyptian dairy herds. Therefore, the current study was conducted to investigate the occurrence of CNS in dairy ruminants (cattle, buffaloes, sheep and goats). A total of 884 quarter milk samples were investigated to study the prevalence of CNS among mastitic and subclinically mastitic cows, buffalo-cows, ewes and does in Egypt. Identification of the isolates was achieved using API staph test and polymerase chain reaction (PCR). CNS were isolated from the examined subclinical mastitic cattle, buffaloes, sheep and goats with percentages of 16.6%, 59.4%, 50% and 55.6% respectively. Staphylococcus xylosus, Staphylococcus cohnii, Staphylococcus haemolyticus, Staphylococcus hominis, Staphylococcussaprophyticus, Staphylococcus chromogenes, Staphylococcus lentus, Staphylococcus lugdunensis and Staphylococcus simulans were identified as CNS that recovered from the examined milk samples. The CNS as mastitis causing agents could not be neglected as they can cause substantial economic losses.



Publication year 2013
Pages 1-5
Organization Name
Country Egypt
serial title المجلة الدولية للعلوم الطبية البيطرية
Author(s) from ARC
External authors (outside ARC)
    جاكين كمال الجاكى
    محمود الحريرى
    حسين محمد جلال
    شريف احمد عمر
    احمد سمير
Publication Type Journal