Abstract
This work aims to verify the in vitro action of antiseptics used in the pre- and post-dipping against multidrug-resistant bacteria from bovine mastitis. Antiseptic solutions in the concentration of use of iodine, chlorhexidine and sodium hypochlorite were tested against Staphylococcus aureus (n=12), Staphylococcus sciuri (n=1), Staphylococcus lentus (n=1), Streptococcus sp. (n=1), Enterococcus faecalis (n=1), Enterococcus casseliflavus (n=1), Kocuria kristinae (n=2), Kocuria varians (n=1). Was verified the Minimal Inhibitory and Bactericidal Concentration. The cytotoxicity test complemented the work. It was found that the Minimal Inhibitory Concentration and Minimal Bactericidal Concentration of the iodine, sodium hypochlorite and chlorhexidine was effective in the values recommended for use, however the presence of organic material reduced the activity of the tested products. Chlorhexidine showed higher efficiency of the other disinfectants.
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