The Thai Journal of Veterinary Medicine


We aimed to evaluate the in vitro bactericidal efficacy of two routine antiseptics used in veterinary hospital, povidone-iodine and chlorhexidine gluconate in isopropanol (CGI),against canine coagulase-positive staphylococci (CoPS). Twenty CoPS were divided into 5 methicillin-resistant Staphylococcus pseudintermedius (MRSP) and 5 isolates each of S. pseudintermedius, S. aureus and S. schleiferi subsp. coagulans defined as methicillin-susceptible CoPS (MSCoPS). The bactericidal efficacy was determined by broth microdilution according to European Standard EN 1656:2000 at concentrations of 0.1, 1 and 10% PI and 0.5, 1 and 2% CGI for 15s, 30s, 45s, 1 min, 3 min and 5 min, respectively. There was no difference in susceptibility values between the strains. Regarding the fastest bactericidal effects, all tested CoPS were killed with 0.1% PI within 45s and 0.5% CGI within only 15s.

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