2015
DOI: 10.1590/1516-635x1704439-444
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Abstract: KeywordsWind speed, thermal comfort, relative humidity, environmental exposure. ABStRACtRearing environmental conditions are important for turkey production, because this bird is particularly sensitive to heat stress. This study aimed at measuring the wattle temperature response of turkeys of three different ages (61, 96, and 131 days old) exposed to different combinations of dry bulb temperature, relative humidity, and wind speed ranges, as an indication of their physiological responses. The experiment was c… Show more

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Cited by 2 publications
(2 citation statements)
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References 19 publications
(25 reference statements)
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“…Tropical areas such as Bangladesh and Egypt have several successful quail farms, indicating that quail can adapt to hot and humid weather [6,7]. The thermoneutral zone of Japanese quail is 18 to 30˚C with optimal temperatures between 21 to 27˚C, whereas upper critical temperatures of chicken, turkeys, and ducks are 23.86 to 25.46˚C, 27˚C, and 25.5 to 27.4˚C, respectively [8][9][10][11][12]. Japanese quail also have short generation intervals and can reach sexual maturity at 5 to 6 weeks of age allowing for many generations to be studied in a shorter period of time relative to other poultry species.…”
Section: Introductionmentioning
confidence: 99%
“…Tropical areas such as Bangladesh and Egypt have several successful quail farms, indicating that quail can adapt to hot and humid weather [6,7]. The thermoneutral zone of Japanese quail is 18 to 30˚C with optimal temperatures between 21 to 27˚C, whereas upper critical temperatures of chicken, turkeys, and ducks are 23.86 to 25.46˚C, 27˚C, and 25.5 to 27.4˚C, respectively [8][9][10][11][12]. Japanese quail also have short generation intervals and can reach sexual maturity at 5 to 6 weeks of age allowing for many generations to be studied in a shorter period of time relative to other poultry species.…”
Section: Introductionmentioning
confidence: 99%
“…The transect walk can be used at different ages in turkeys, provides relevant information on animal welfare during the rearing period, and allows farmers to make changes and improve welfare for current flocks [ 11 ]. The health and welfare of commercially farmed turkeys supposed to be attributed to the high growth potential of the commonly used commercial hybrids [ 12 , 13 ], and also depend on environmental factors such as air quality [ 14 , 15 ], ambient temperature [ 16 , 17 ], light intensity and duration of day length [ 18 , 19 ], and stocking density [ 2 , 20 ]. All these factors, if not within the recommended limits, can cause significant physical distress to the animals [ 16 , 17 ] and consequently have a negative impact on animal performance [ 2 , 20 ], and post-slaughter product quality [ 21 , 22 , 23 ].…”
Section: Introductionmentioning
confidence: 99%