平飼いSPF鶏舎のスノコの消毒

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書誌事項

タイトル別名
  • Effect of disinfection of the slats in SPF chicken house by spraying disinfectant solutions and formaldehyde fumigation.

説明

The study reported here was undertaken to evaluate the effect of disinfection on the slats placed in a specific pathogen free (SPF) chicken house.After washing, 103.3/cm2 of bacteria were detected from the slats. Two kinds of disinfectant solution, invert soap and iodophor were used. Each disinfectant was diluted 1: 500 and sprayed 2l per slat. The bacterial counts reduced to 102.8 and 102.6 per 1cm2 after spraying invert soap and iodophor solutions, respectively. When spraying was carried out repeatedly, the invert soap first and next the iodophor solutions, the counts reduced 101.4/cm2.After 48 hours fumigation by formaldehyde liberated from 40ml of folmalin mixed with 20g of potassium permanganate per 1m3 of capacity, no bacteria were detected from the slats which had been sprayed two kinds of the disinfectant solution mentioned above.

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