title: Disinfection properties of some bovine teat dips.
abstract: The efficacy of 18 disinfectant teat dips was tested on teats artificially contaminated with a milk suspension of Staphylococcus aureus. A solution of Na hypochlorite with 40 g/l available chlorine was significantly more bactericidal than one containing 1 g/1 available chlorine and than most other disinfectants tested. The method was not able to distinguish differences in efficacy between solution containing 40g/1 and 10g/1 available chlorine nor between these and some of the iodophors containing 5 g/1 available iodine. The additon of 190-416 g/1 (15-33% v/v) glycerol significantly reduced the bactericidal properties of 3 iodophors (5 g/1 available iodine), but soluble lanolin at approximately 20 g/1 did not appear to lower the efficiency of NaOC1 (45 g/1 available chlorine) or of an iodophor (5 g/1 available iodine).
mesh_terms: D000818:Animals; D000891:Anti-Infective Agents, Local / Q000494:pharmacology*; D002417:Cattle; D002710:Chlorhexidine / Q000494:pharmacology; D004203:Disinfection; D005260:Female; D006582:Hexachlorophene / Q000494:pharmacology; D007466:Iodophors / Q000494:pharmacology; D008321:Mammary Glands, Animal / Q000382:microbiology*; D012973:Sodium Hypochlorite / Q000494:pharmacology; D013211:Staphylococcus aureus / Q000187:drug effects / Q000302:isolation & purification; D013242:Sterilization
chemical_list: D000891:Anti-Infective Agents, Local; D007466:Iodophors; D012973:Sodium Hypochlorite; D006582:Hexachlorophene; D002710:Chlorhexidine