Abstract
The present work had the objective of evaluating the thermal comfort by means of the Temperature and Humidity Index (ITU) inside a model of small scale poultry houses using different hedging strategies. The experiment was carried out at the Federal University of Santa Maria Cachoeira do Sul. The coverings used were: fiber cement (control), fiber cement + white paint + thermal blanket, fiber cement + white paint. The temperature and relative air humidity reading were performed inside each model and in the external area, with DTH 22 sensors controlled by Arduino, divided in four periods of summer 2017/2018. Compared to the external environment, the different coverages promoted a mean reduction of ITU from 84 to 76. Significant statistical differences between the different coverage were observed, in which the average ITU of the period of 77.31 observed in the control was reduced to 74.90 on the covers with white paint. Based on the conditions under which the study was conducted, it is recommended to cover asbestos cement + white paint to improve thermal comfort inside poultry houses.
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