2013
DOI: 10.1590/s1415-43662013000300013
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Intervenção ambiental na cobertura e ventilação artificial sobre índices de conforto para aves de corte

Abstract: RESUMOEste trabalho objetivou avaliar manejos de cobertura e ventilação artificial sobre índices de conforto de frangos de corte. Aplicou-se, para avaliação dos índices térmicos, delineamento inteiramente casualizado, em parcela subdividida, com arranjo fatorial de tratamentos 2 x 2, sendo: dois manejos de cobertura (com e sem pintura reflexiva) e dois manejos internos (com e sem ventilação artificial) totalizando 4 tratamentos, avaliados durante 40 dias, tidos como repetição. Os estudos foram conduzidos no IF… Show more

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Cited by 15 publications
(14 citation statements)
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“…Similar values for CA were found by PASSINI et al, (2013), who evaluated the influence of external roof painting and the productive performance of 19 to 49-day old broilers reared in Northeast Brazil. ROCHA et al, (2010) evaluated poultry sheds covered by asbestos cement tiles, with three thermal conditioning systems, correlating them with the productive indexes and finding values of 1.97 and 2.07, respectively.…”
Section: Resultssupporting
confidence: 80%
“…Similar values for CA were found by PASSINI et al, (2013), who evaluated the influence of external roof painting and the productive performance of 19 to 49-day old broilers reared in Northeast Brazil. ROCHA et al, (2010) evaluated poultry sheds covered by asbestos cement tiles, with three thermal conditioning systems, correlating them with the productive indexes and finding values of 1.97 and 2.07, respectively.…”
Section: Resultssupporting
confidence: 80%
“…When monitoring environment of broiler chickens, in addition to the use of T db sensors, it is important to have at least one RH sensor in order to obtain a more accurate indication of the bioclimatic conditions. There are several environmental indexes that relate the condition of thermal comfort to T db , RH, solar radiation and wind speed (Campos et al, 2013;Passini et al, 2013). The temperature humidity index (THI) introduced by Thom (1959) only requires measurement of T db and wet bulb temperature (T wb ).…”
Section: Introductionmentioning
confidence: 99%
“…Na Tabela 2, observa-se que 97% das instalações avícolas não apresentaram pintura reflexiva no telhado, técnica simples, barata e recomendada pela literatura, por atenuar a radiação incidente por reflexão, reduzindo o percentual transmitido para o interior das instalações. Estudos apontam que a cor branca da superfície externa da cobertura reduz a temperatura do ar em até 3 °C, nos horários mais quentes do dia (PASSINI et al, 2013;SARMENTO et al, 2005). Apenas 1,5% dos galpões apresentava pintura reflexiva e o outro 1,5% era parcialmente pintado.…”
Section: Resultsunclassified