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Type: Artigo de periódico
Title: Climatic Spatial Variability Of A Dairy Freestall Barn [variabilidade Espacial Do Microclima De Um Galpão Utilizado Para Confinamento De Bovinos De Leite]
Author: De Faria F.F.
De Moura D.J.
De Souza Z.M.
Matarazzo S.V.
Abstract: The knowledge of the spatial variability of climatic attributes and the build of kriging maps can help livestock management in lodged animals. Therefore, the objective of this research was to characterize the spatial variability of the climatic attributes inside a dairy cow free-stall barn using the technique of geostatistics and to verify if the climatic variables are in agreement with the thermal comfort limits of the animals. The climatic attributes - temperature, relative humidity, wind speed, luminosity and temperature and humidity index (THI) were sampled in 152 points, in regular spacing of 2m, as a grid. According the results, the geostatistical analysis made it possible to find areas with different spatial variability for the climatic variables, showing specifically areas inside the dairy barn where the relative humidity, the temperature, the air velocity and the luminosity were above that the comfort limits for animal housing. The acclimatization system didn't homogenize the environment. The THI values remained above the thermal comfort condition, so, the environment of the barn probably didn't provide comfort for the animals.
Rights: aberto
Identifier DOI: 10.1590/S0103-84782008000900013
Date Issue: 2008
Appears in Collections:Unicamp - Artigos e Outros Documentos

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