千葉県湖沼地帯一農村に於ける農作業疲労に関する調査研究

第3報一農家の農業従事者のドナジオ疲労に関する検討

抄録

One standard farm family was selected at swamp region in Chiba Prefecture. Donagio value was measured in urine collected early in the morning and after the work to examine the fatigue through Donagio-Sato reaction on farm workers in a family through a year. Following is the result obtained at this survey.
1. D. R. value in urine early in the morning is increased with the increased amount of work and resudual fatigue of previous day.
2. D. R. value after the work showed high value with the increased amount of work. The highest value was seen in busy farm season in spring, then the next is A?ril and summer. In the farm idle season of autumn it was as same as in summer, but its distribution was inclined to be more intensive than summer.
3. D. R. value during the season planting rice was examined in 10 persons for 10 days. The mean value for 10 persons days was ranged between 13.9 and 13.0 and there was no tendency of distribution, but astringency was seen. On the other hand in the same meaning the same examination was done during the idle farm season of November. The mean value on each individual ranged between 9.2 and 9.9 and there was none exceeded 10. From above mentioned fact it was understood that D.R.S was reliable to show the fatigue of farm work.