2008
DOI: 10.5433/1679-0359.2008v29n4p961
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Desempenho térmico de aviário de postura acondicionado naturalmente

Abstract: ResumoO objetivo do trabalho foi apresentar análises e comparações sobre o desempenho térmico de um galpão para aves de postura, na região de Bastos, estado de São Paulo, adaptado a partir de alternativas naturais de acondicionamento, tendo como referências um galpão não adaptado, ou seja, de tipologia mais comum na região e outro acondicionado artificialmente. Os parâmetros avaliados -Índice de Temperatura e Umidade (ITU), o Índice de Temperatura de Globo Negro (UTGU), Umidade e a Carga Térmica de Radiação (C… Show more

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Cited by 7 publications
(10 citation statements)
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“…For the corridor treatment, the northern corridor presented higher mean temperature values in most of the periods evaluated. Ambient temperatures above 28 °C were recorded, which are above the ideal conditions of production of laying hens (Baêta & Souza, 2010;Biaggioni et al, 2008). These results are also in agreement with those observed by Oliveira et al 2011 Temperatures above ideal conditions cause a decrease in feed consumption and an increase in water intake on laying hens, and may negatively influence the percentage of laying and weight of eggs (Costa et al, 2012;Deng et al, 2012;Vercese et al, 2012;Kilic & Simsek, 2013;Mack et al, 2013;Guimarães et al, 2014;Oliveira et al, 2014).…”
Section: Methodssupporting
confidence: 84%
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“…For the corridor treatment, the northern corridor presented higher mean temperature values in most of the periods evaluated. Ambient temperatures above 28 °C were recorded, which are above the ideal conditions of production of laying hens (Baêta & Souza, 2010;Biaggioni et al, 2008). These results are also in agreement with those observed by Oliveira et al 2011 Temperatures above ideal conditions cause a decrease in feed consumption and an increase in water intake on laying hens, and may negatively influence the percentage of laying and weight of eggs (Costa et al, 2012;Deng et al, 2012;Vercese et al, 2012;Kilic & Simsek, 2013;Mack et al, 2013;Guimarães et al, 2014;Oliveira et al, 2014).…”
Section: Methodssupporting
confidence: 84%
“…As can be seen in Table 4, the use of the screen caused the mean values of the tdb to be similar for the treatments with and without screen, except at 18:00 and 20:00 h. During this period, the section surrounded by the screen had higher tdb values (Tukey test, p> 0.05), possibly owing to the lower air circulation caused by the screen, which is also in accordance with the work developed by Lourençoni et al (2015). The thermal oscillations followed a pattern of increase of the tdb in the middle of the day and decrease after 16:00 h. Despite these variations, the tdb remained within the zone of thermal comfort for the laying hens (Biaggioni et al, 2008;Baêta & Souza, 2010). These results corroborate the work done by Biaggioni et al (2008), who evaluated different types of facilities for commercial laying hens and found oscillations similar to those found in this work throughout the day.…”
Section: Methodsmentioning
confidence: 97%
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“…O comportamento crescente e decrescente do ITGU e da UR ao longo do dia, devido à variação diurna da temperatura do ar, também foi relatado por outros autores (SANTOS et al, 2005;FURTADO et al, 2006;ABREU et al, 2007;BIAGGIONI et al, 2008;e DAMASCENO, 2008 No geral, observa-se que as maiores frequências dos níveis de ruído concentram-se entre 70 e 80 dBA, o que pode ser visualizado espacialmente na Figura 6. Ressalta-se que os maiores valores de ruído foram observados próximo aos ventiladores.…”
Section: Resultsunclassified
“…Segundo Abreu e Abreu (2011) e Biaggioni et al (2008), um dos grandes desafios da avicultura moderna é fazer a projeção e adequação das instalações avícolas, de modo que não afete os custos da produção, permitindo equilíbrio da temperatura e umidade relativa do ar, ao passo que mantenha um ambiente de conforto térmico de acordo com as necessidades das aves.…”
Section: Estresse Térmicaunclassified