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Use of thermography for the evaluation of the surface temperature of Japanese Quail submitted at different temperatures

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dc.contributor.authorCastro, J.O.
dc.contributor.authorYanagi Junior, T.
dc.contributor.authorAbreu, A.L.
dc.contributor.authorFerraz, P.F.P.
dc.contributor.authorMoura, G.B.
dc.contributor.authorCecchin, D.
dc.contributor.authorConti, L.
dc.date.accessioned2019-05-15T19:25:29Z
dc.date.available2019-05-15T19:25:29Z
dc.date.issued2019
dc.descriptionArticleeng
dc.description.abstractThermography has been gaining more space in analyzes of the superficial thermal profile of birds since it is a non-invasive way of evaluating thermal comfort. This study aims to evaluate the influence of different air temperatures (tair) from 20 °C to 32 °C on the maximum, average and minimum surface temperature (STmax, STaverage and STmin) of Japanese laying quails. The experiment was performed in four wind tunnels, where the continuous air temperature within each tunnel, 20 °C, 22 °C, 24 °C, 26 °C, 28 °C, 30 °C and 32 °C represented treatment, with 20 °C being the control treatment. Two experiments, of 21 days each, were carried out. For each experiment, we used four replicates and eight quails in each repetition, in a completely randomized design. Thermographic images of each repetition were made weekly through the Fluke Ti55 camera and analyzed using SmartView® software. The STmax, STaverage and STmin of each repetition were obtained by delimiting the area of the quails within the cages. Significant differences were observed between ST as the room temperature increased. The ST of quails behaved similarly from 28 °C on. Both head and feet had higher temperatures. It was possible to verify that air temperatures above 22 °C promoted an increase in the maximum, average and minimum surface temperatures. The highest surface temperatures are found in the head and foot region.eng
dc.identifier.issn1406-894X
dc.identifier.publicationAgronomy Research, 2019, vol. 17, no. 4, pp. 1560–1567eng
dc.identifier.urihttp://hdl.handle.net/10492/4821
dc.identifier.urihttps://doi.org/10.15159/ar.19.141
dc.rights.holderCopyright 2009 by Estonian University of Life Sciences, Latvia University of Agriculture, Aleksandras Stulginskis University, Lithuanian Research Centre for Agriculture and Forestry. No part of this publication may be reproduced or transmitted in any form, or by any means, electronic or mechanical, incl. photocopying, electronic recording, or otherwise without the prior written permission from the Estonian University of Life Sciences, Latvia University of Agriculture, Aleksandras Stulginskis University, Lithuanian Research Centre for Agriculture and Forestry.eng
dc.subjectthermal comforteng
dc.subjectquail farmingeng
dc.subjectthermal imageeng
dc.subjectarticleseng
dc.titleUse of thermography for the evaluation of the surface temperature of Japanese Quail submitted at different temperatureseng
dc.typeArticleeng

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2019, Vol. 17, No. 4