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Cefoperazone is a third generation cephalosporin which is commonly used for bovine mastitis therapy. Bacterial pathogens involved in bovine mastitis are frequently tested for their susceptibility to cefoperazone. So far, the cefoperazone susceptibility testing using 30μg disks has been hampered by the lack of quality control (QC) ranges as well as the lack of interpretive criteria. In 2014, QC ranges...
The correct assessment of mastitis pathogens for their susceptibility/resistance to cefoperazone is currently hampered by the lack of harmonized test conditions and interpretive criteria. The aim of this study was to provide a proposal for clinical breakpoints of cefoperazone which are applicable to Staphylococcus aureus, coagulase-negative staphylococci, Escherichia coli, Streptococcus agalactiae,...
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