2019
DOI: 10.1590/1809-4430-eng.agric.v39n1p32-40/2019
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Abstract: This study was conducted with the aim of assessing the effects of different ambient temperature values on the performance of laying birds from one to 42 days of age in order to obtain optimal comfort temperatures. A total of 864 laying hens were distributed in four climatic chambers with different temperature ranges. One of the chambers was maintained within the thermal range recommended by the literature and the others were maintained under temperatures that consisted of mild and moderate cold stress and mode… Show more

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Cited by 5 publications
(1 citation statement)
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“…As hens age, egg weight increases and shell weight, percentage of shell, and shell thickness [6,7] all decrease. Exposure to air temperatures above the thermal comfort zone [8][9][10] negatively influences the external egg's quality [11][12][13], and its effect will be greater with higher levels of air relative humidity in the air [14]. Light intensity negatively affects the external quality of eggs [15][16][17][18][19].…”
Section: Introductionmentioning
confidence: 99%
“…As hens age, egg weight increases and shell weight, percentage of shell, and shell thickness [6,7] all decrease. Exposure to air temperatures above the thermal comfort zone [8][9][10] negatively influences the external egg's quality [11][12][13], and its effect will be greater with higher levels of air relative humidity in the air [14]. Light intensity negatively affects the external quality of eggs [15][16][17][18][19].…”
Section: Introductionmentioning
confidence: 99%