2000
DOI: 10.1093/japr/9.1.1
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Air Velocity and Exposure Time to Ventilation Affect Body Surface and Rectal Temperature of Broiler Chickens

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Cited by 19 publications
(13 citation statements)
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“…In these conditions, birds are more sensitive to the thermal treatment through the use of fans and sprinklers and thus, they return to the prior thermal comfort state as the exposition time to the environment control increase, that is, with the rise of lairage time. These results are in agreement with previous results of Furlan et al (2000), who reported the reduction of body temperature of birds from the first 10 minutes of exposition to forced ventilation, when the air temperature was above 29 °C. Bayliss & Hinton (1990) found mortality rates around 0.2% when evaporative cooling systems (ventilation and sprinkling) were used in the holding (3) area.…”
Section: Resultssupporting
confidence: 93%
“…In these conditions, birds are more sensitive to the thermal treatment through the use of fans and sprinklers and thus, they return to the prior thermal comfort state as the exposition time to the environment control increase, that is, with the rise of lairage time. These results are in agreement with previous results of Furlan et al (2000), who reported the reduction of body temperature of birds from the first 10 minutes of exposition to forced ventilation, when the air temperature was above 29 °C. Bayliss & Hinton (1990) found mortality rates around 0.2% when evaporative cooling systems (ventilation and sprinkling) were used in the holding (3) area.…”
Section: Resultssupporting
confidence: 93%
“…Os resultados deste trabalho estão de acordo com Furlan et al (2000), os quais encontraram redução significativa na temperatura corporal das aves submetidas à ventilação forçada nos primeiros 10 minutos, com temperaturas em torno de 29ºC e umidade relativa próxima de 66%. Na pesquisa em questão, a maior redução ocorreu na faixa crítica de temperatura, e nos maiores intervalos de espera, a diferença de temperatura retal alcançou 2ºC.…”
Section: Resultsunclassified
“…T = 30°C, RH = 70%), the evaporative cooling systems cannot cool the incoming air adequately, the micro-environment around the birds becomes too hot and humid, and animals are heat stressed. In these conditions, a uniform and high air velocity over the animal can be very effective for increasing the convective heat losses from the animals, reducing the effective temperature and improving their thermal comfort (Loot et al, 1998;Furlan et al, 2000;May et al, 2000;Yahav et al, 2001;Yanagi et al, 2002;Simmons et al, 2003;Tao and Xin, 2003;Yahav et al, 2004).…”
Section: Introductionmentioning
confidence: 99%