Effect of combination of disinfectant solutions spraying repeatedly on reduction of bacteria.

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Two experiments were conducted to compare effect of combination of disinfectant solutions sprayed repeatedly on reduction of bacteria. Three kinds of disinfectant soluiton invert soap Pacoma®, orthodichlorobenzene Neokurehazol® and iodophor Cleanup®were used.A plywood contaminated with bacteria was disinfected by spraying the solution repeatedly 2 times in Exp. 1. Combination of orthodichlorobenzene (sprayed at 1st time) and invert soap (at 2nd time) was recorded the greatest reduction of bacteria 1/102.5 of initial number of bacteria. A fewer number of bacteria were reduced by spraying repeatedly with 2 combinations of the solutions invert soap-orthodichlorobenzene or invert soap-iodophor than those sprayed with orthodichlorobenzene-invert soap.Efficacious 2 combinations of the solution orthodichlorobenzene-invert soap and invert soap-iodophor, and the other 2 combinations orthodichlorobenzene-iodophor and invert soap-invert soap, total 4 combinations were examined in Exp. 2. A chicken house floor was disinfected with the combination of the solutions. Reduction of bacteria were 1/100.7-1/101.5 of initials by spraying the solution repeatedly. No significant reduction of bacterial number was observed among the combinations. Disinfection with the disinfectant solutions by spraying repeatedly, however, reduced more number of bacteria than those by spraying singly.
日本家禽学会の論文