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Type: Artigo de periódico
Title: Using Geostatistics To Evaluate The Environment Of "wean To Finish" Swine Housing [uso Da Geoestatística Na Avaliação De Variáveis Ambientais Em Galpão De Suínos Criados Em Sistema "wean To Finish" Na Fase De Terminação]
Author: Medeiros B.B.
de Moura D.J.
Massari J.M.
Curi T.M.R.C.
Maia A.P.A.
Abstract: The "wean to finish" is a new pig production system in Brazil. To date, few research have investigated the environmental conditions of this pig farming system. The aim of this study was to evaluated the thermal environmental conditions and gases concentration using geostatistical techniques of a wean-to-finish barn during finishing phase at 9AM, 12PM e 3PM. The data variability was evaluated by the descriptive analysis, of the temperatures, relative humidity, air velocity, ammonia and carbon dioxide concentration. The results showed the average, median, coefficient of variation, asymmetry and curtosis and the Kolmogorov-Smirnov Test with the software Minitab 15. To determine the spatial dependence, the semivariogram exam was done, with the software GS+. The air velocity and gases concentration showed the highest coefficient of variation. This has happened because of the heterogeneity of the data caused by the natural ventilation. The Krigging maps showed the spacial differences of the pens with different numbers of animals in different hour of the day.
Editor: Sociedade Brasileira de Engenharia Agricola
Rights: aberto
Identifier DOI: 
Date Issue: 2014
Appears in Collections:Unicamp - Artigos e Outros Documentos

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