: Antibiotic resistance pattern of Staphylococcus aureus isolated from milk of cattle with clinical mastitis

Antibiotic resistance pattern of Staphylococcus aureus isolated from milk of cattle with clinical mastitis

Title: Antibiotic resistance pattern of Staphylococcus aureus isolated from milk of cattle with clinical mastitis

Authors: Sunita, Diwakar and AK Kataria

Source: Ruminant Science (2017)-6(2):319-322.

Cite this reference as: Sunita, Diwakar and Kataria AK (2017). Antibiotic resistance pattern of Staphylococcus aureus isolated from milk of cattle with clinical mastitis. Ruminant Science 6(2):319-322.


Staphylococcus aureus is the most significant causative agent of mastitis in dairy animals. In the present investigation, genotypically confirmed S. aureus isolates (n=30) from clinical mastitis cases in cows were subjected to antibiogram studies using 15 different antibiotics. Among 15 antibiotics used, cloxacillin was found to be 100% effective against all the isolates followed by meropenem (90%), gentamicin (83.33%), chloramphenicol (70%), levofloxacin (66.66%), norfloxacin and cefalothin (63.33% each) and cefaclor (56.66%). Highest resistance (56.66%) was shown towards linezolid followed by ticarcillin (50%) and cefaclor (40%).   


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