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Type: Artigo
Title: Zoning of environmental conditions inside a wean-to-finish pig facility
Author: Massari, Juliana M.
Moura, Daniella J. de
Curi, Thayla M. R. de C.
Vercellino, Rimena do A.
Medeiros, Brenda B. L.
Abstract: Using geostatistics, this study aimed to analyze environmental conditions for wean-to-finish swines at 3 pm, during the most sensitive phases to thermal stress (growth/ finishing and finishing). To this end, dry-bulb temperature, relative humidity, air speed, ammonia and carbon dioxide concentrations were measured at 81 equidistant points within the barn. Descriptive statistics was used to classify attribute variability, generating mean, median, variation coefficient, asymmetry and kurtosis, through the normality of Kolmogorov-Smirnov (KS). For that, it was used Minitab 15 software. Moreover, semivariograms were used to assess spatial dependence using the GS+ software, and through Surfer, spatial distribution maps were designed. Dry-bulb temperature and relative humidity showed a more homogeneous distribution whether compared to the other attributes. Furthermore, critical points were observed within the facility, with temperatures and low humidity, indicating the need for fogging equipment and fans to improve thermal comfort and animal welfare.
Subject: Geologia - Métodos estatísticos
Country: Brasil
Editor: Associação Brasileira de Engenharia Agrícola / Brazilian Agricultural Engineering Society
Rights: Aberto
Identifier DOI: 10.1590/1809-4430-Eng.Agric.v36n5p739-748/2016
Date Issue: 2016
Appears in Collections:FEAGRI - Artigos e Outros Documentos

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