Sensibilidade in vitro de staphylococcus aureus isolados de amostras de leite de vacas com mastite subclínica

Abstract

291 Staphylococcus aureus strains, isolated on 667 milk samples from 375 cows positive to the California Mastitis Test- CMT were checked for in vitro sensitivity study against five antimicrobials. The sensibility rate for S. aureus was of 90,72% to gentamicin; 89,35% to enrofloxacin; 88,66% to cephaperazon; 87,63% to kanamicin and 23,71% to penicilin.