الفهرس 
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Abstract
Staphylococcus aureus (S. aureus) is a commensal bacterium that has been associated with serious infections in man and animals. Recently, multidrug resistant (MDR) strains of S. aureus especially the so called methicillin resistant S. aureus (MRSA) represent a serious challenge that hinders the control of infections in man and animals. This study aimed at monitoring milk samples from mastitic cows in addition to vaginal and nasal swabs from dogs for S. aureus incidence. As well, the isolates antibiogram profiles were assessed to figure out the extent of MDR and MRSA existence among the recovered isolates. Out of 260 samples, 29 (11%) S. aureus isolates were recovered with the highest incidence in milk samples (15/90, 17%) followed by vaginal swabs (8/90, 9%) and nasal swabs (6/80, 7%). Identification of the isolates was confirmed by PCR amplification of 16S rRNA gene sequence. Twenty S. aureus isolates were tested against seven antibacterial agents. Surprisingly, all the twenty isolates were MRSA and three bitch vaginal isolates were MDR. The findings of this study call for more research and cooperation between authors interested in assessment of the MRSA and MRD bacterial incidence in both medical and veterinary fields. The cooperation will augment facing the challenge of dissemination of MRSA and MDR staphylococci from animals to humans and vice versa.