Results 21 to 30 of about 51,270 (352)
Journal of Avian Biology, 2022 Plumage ornamentation in birds serves critical inter‐ and intra‐sexual signaling functions. While carotenoid‐based plumage colouration is often viewed as a classic condition‐dependent sexually selected trait, plumage colouration can be influenced by a ...
Sean M. Mahoney +6 more
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Applied Sciences, 2023 The extent of the feathers covering a bird’s body and the condition of the plumage largely determine the bird’s well-being and aesthetic condition. This investigation aimed to compare changes in the plumage status of laying hens in dissimilar housing ...
Sándor Szász +8 more
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A genome-wide scan to identify signatures of selection in Lueyang black -bone chicken
Poultry Science, 2023 Lueyang black-bone chicken is a domestic breed in China. The genetic mechanism of the formation of important economic traits of this breed has not been studied systematically. Therefore, in this study, whole genome resequencing was used to systematically
Zhen Xue +9 more
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The Journal of Poultry Science, 2005 Seasonal changes occur in the plumage of male mallard ducks, and this phenomenon is referred to as seasonal dimorphism of the plumage. However, no information is available, especially morphological, about the mechanisms that control these changes.
Jun Watanabe, Machiko Imai, Shoei Sugita
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Heat dissipation during hovering and forward flight in hummingbirds [PDF]
Royal Society Open Science, 2015 Flying animals generate large amounts of heat, which must be dissipated to avoid overheating. In birds, heat dissipation is complicated by feathers, which cover most body surfaces and retard heat loss.
Donald R. Powers +4 more
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Relationship between plumage color and eggshell patterns with egg production and egg quality traits of Japanese quails [PDF]
Veterinary World, 2021 Aim: This study was conducted to identify the diversity of feather color and to determine the relationship between plumage color and egg yield as well as eggshell patterns and internal egg quality traits of Japanese quails.
Ly Thi Thu Lan +6 more
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La geometría de visualización afecta el dicromatismo sexual y la conspicuidad de la coloración del plumaje no iridiscente de Tersina viridis [PDF]
, 2016 Some types of plumage color are difficult to characterize spectrophotometrically because the properties of the reflected light change with viewing geometry (i.e.
Barreira, Ana Soledad +3 more
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THE ISOLATION OF INFLUENZA A VIRUS FROM PLUMAGE OF WATERFOWL DURING AUTUMN MIGRATION
Юг России: экология, развитие, 2018 Aim. In the present work we investigated the circulation of AIV in wild bird populations and studied the sorption of the influenza virus in the feathers of wild waterfowl nesting on reservoirs during the autumn mass migration.
Marin A. Gulyaeva +7 more
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Suburban immigrants to wildlands disrupt honest signaling in ultra-violet plumage
Avian Conservation and Ecology, 2015 Urbanization changes habitat in a multitude of ways, including altering food availability. Access to human-provided food can change the relationship between body condition and honest advertisements of fitness, which may result in changes to behavior ...
Angela Tringali, Reed Bowman
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Poultry Science, 2020 Severe feather pecking is a damaging allopecking behavior in pullets and laying hens which was found to be associated with multiple factors. The aim of this study was to investigate whether the occurrence of feather pecking could be reduced by additional
Ruben Schreiter +5 more
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