2020
DOI: 10.33448/rsd-v9i9.7608
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Desempenho térmico de galpões avícolas para frango de corte: revisão sobre os diferentes tipos de coberturas

Abstract: A radiação solar direta sobre a cobertura de galpões avícolas é um dos principais fatores que dificultam o processo homeotérmico, causando estresse térmico às aves e refletindo imediatamente no seu desempenho produtivo e fisiológico. O Brasil por ser um país tropical tende a possuir regiões que se caracterizam por apresentar verões quentes ou muito quentes, proporcionando ás aves maiores índices de estresse por calor. Objetiva-se com essa revisão uma abordagem sobre a influência de coberturas com diferentes ti… Show more

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“…The study was carried out in poultry production units (eggs), and the sheds are located in Cuité -Paraíba, Brazil, At 06º 29 '01 "S latitude and 36º 09 '13" W longitude. The experiment was carried out in the production phase, in different types of sheds: Californian shed (G1), conventional closed shed with artificial ventilation (G2) and conventional closed shed without artificial ventilation (G3), and the birds housed were in the 22nd week of housing, types of sheds classified according to (Brito et al,2020) The collection of breathable dust was carried out during 1 day of production and repeated in the three sheds, totaling one sample for each shed. The methodology used was defined by NIOSH (OSHA, 1994), using the BDX-II sampling pump (brand: Sensidyne), calibrated for air flow rate of 1.7 L min-1 with acceptable variation of 5%, coupled to the breathable dust cyclone with cassette, containing a 5μm PVC (polyvinyl chloride polymer) membrane filter with a diameter of 37 mm, previously sterilized.…”
Section: Methodsmentioning
confidence: 99%
“…The study was carried out in poultry production units (eggs), and the sheds are located in Cuité -Paraíba, Brazil, At 06º 29 '01 "S latitude and 36º 09 '13" W longitude. The experiment was carried out in the production phase, in different types of sheds: Californian shed (G1), conventional closed shed with artificial ventilation (G2) and conventional closed shed without artificial ventilation (G3), and the birds housed were in the 22nd week of housing, types of sheds classified according to (Brito et al,2020) The collection of breathable dust was carried out during 1 day of production and repeated in the three sheds, totaling one sample for each shed. The methodology used was defined by NIOSH (OSHA, 1994), using the BDX-II sampling pump (brand: Sensidyne), calibrated for air flow rate of 1.7 L min-1 with acceptable variation of 5%, coupled to the breathable dust cyclone with cassette, containing a 5μm PVC (polyvinyl chloride polymer) membrane filter with a diameter of 37 mm, previously sterilized.…”
Section: Methodsmentioning
confidence: 99%