Studies on the Change of Body Temperature of the Animals under the Abnormal Environment

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  • 異常環境下における体温変化に関する研究
  • 第1報夏季においてラットを直射日光下に暴露したさい, ならびに直射日光を遮蔽したさいの体温変化
  • 1. Change of body temperature by the direct sunshine of the rats placed outdoor

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Description

Seventy-two Wistar strain male rats, weighing 150-180g, were used. The change of the body temperature of the rats placed outdoor was measured, and the lethal temperature of them was obtained.<BR>The results obtained were as follows:<BR>1) At the atmospheric temperature of 30-35°C under the direct sun beam, all of the animals died, and average lethal body temperature of the rats was 44°C.<BR>2) At 29-33°C of atmospheric temperature, even under the direct beam, 4 rats out of 14 have survived.<BR>3) The distribution of the lethal body temperature of rats after the exposure to the direct sunshine was as follows:<BR>43.6-44.0°C 33.3%<BR>43.1-43.0 25.0<BR>42.6-43.0 25.0<BR>42.1-42.5 12.5<BR>41.5-41.6 4.2<BR>4) When shaded, all the rats survived and their diurnal body temperature never exceeded 38.8°C.

Journal

  • EXPERIMENTAL ANIMALS

    EXPERIMENTAL ANIMALS 14 (1), 23-27, 1965

    Japanese Association for Laboratory Animal Science

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