Temperature and humidity index for the development of poultry farming in the northeast of Mato Grosso
DOI:
https://doi.org/10.6008/CBPC2179-6858.2021.005.0003Keywords:
Ambience, Thermal comfort, Rural Buildings, Bioclimatic profileAbstract
The research aimed to estimate the temperature and humidity index (THI) in municipalities located in the northeast of Mato Grosso, aiming to characterize its bioclimatic profile for the implementation of poultry farming in this mesoregion. In this study, hourly data of dry bulb temperature and relative air humidity, recorded in the two conventional meteorological stations in the northeastern region of Mato Grosso, located in the municipalities of Canarana and Nova Xavantina, were used. The information corresponded to a 32-year historical series, between 01/01/1988 and 12/31/2020, at 00:00, 12:00 and 18:00 hours, available in the Meteorological Database for Teaching and Research of the National Meteorological Institute (INMET). The procedures for data analysis were performed by the Program R. In this way, the monthly descriptive statistics of the historical series were determined and then the column graphs were elaborated based on the THI values. In these graphs, the monthly average THI values were indicated, as well as the appropriate limits for laying hens and poultry in each week of the production cycle, for the purpose of qualifying the environmental thermal comfort in the two municipalities. It was concluded that the temperature and humidity index (THI) made it possible to identify the bioclimatic profile in the northeastern region of Mato Grosso for the implementation of poultry farming, as function of the months of the year. The climatic conditions of that region were favorable to egg-laying poultry, without causing high costs in environmental changes for the control of microclimate in aviaries. However, the bioclimatic capability of the evaluated region was not suitable for poultry production, especially in the last four weeks, requiring extra investments in the air conditioning of the warehouses. The applied methodology presented itself as an appropriate tool to estimate the monthly thermal comfort, assisting in the decision making in relation to the implantation of aviaries in this region.
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