Articles with "moult" as a keyword



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An appraisal of moulting on post-moult egg production and egg weight distribution in white layer hens; meta-analysis

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Published in 2018 at "British Poultry Science"

DOI: 10.1080/00071668.2018.1432032

Abstract: ABSTRACT 1. The aim of this study was to establish how different moulting methods and body weight losses influenced post-moult performance and USDA egg weight distribution. 2. Data on 5 laying flocks (#34–38) of the… read more here.

Keywords: moult; egg; fasting methods; post moult ... See more keywords
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A histological study of the skin, hair follicles and moult of the hooded seal (Cystophora cristata [Erxleben, 1777])

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Published in 2018 at "Polar Research"

DOI: 10.1080/17518369.2017.1419906

Abstract: ABSTRACT The aims of this study were to (1) provide a general description of the hooded seal’s integument; (2) diagnose hair follicle activity stages and develop a chronology for the annual moult within the different… read more here.

Keywords: hair follicle; moult; hooded seal; hair follicles ... See more keywords
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Evolution of moult-migration is directly linked to aridity of the breeding grounds in North American passerines

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Published in 2020 at "Biology Letters"

DOI: 10.1098/rsbl.2020.0155

Abstract: To avoid energy allocation conflicts, birds generally separate breeding, migration and moult during the annual cycle. North American passerines typically moult on the breeding grounds prior to autumn migration. However, some have evolved a moult-migration… read more here.

Keywords: moult migration; breeding grounds; moult; migration ... See more keywords
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Hovering hummingbird wing aerodynamics during the annual cycle. II. Implications of wing feather moult

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Published in 2018 at "Royal Society Open Science"

DOI: 10.1098/rsos.171766

Abstract: Birds usually moult their feathers in a particular sequence which may incur aerodynamic, physiological and behavioural implications. Among birds, hummingbirds are unique species in their sustained hovering flight. Because hummingbirds frequently hover-feed, they must maintain… read more here.

Keywords: moult; hummingbird wing; feather moult; flight ... See more keywords
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The simultaneous moult of female hornbills is not triggered by the darkness of their nest cavity

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Published in 2018 at "Ostrich"

DOI: 10.2989/00306525.2018.1468360

Abstract: A verbal model from 1937 proposed that the darkness of the nest cavity acts as a proximate trigger for the simultaneous moult observed in female hornbills. Although never tested, the plausibility of this hypothesis has… read more here.

Keywords: darkness nest; moult; moult female; female hornbills ... See more keywords
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When moult overlaps migration: moult-related changes in plasma biochemistry of migrating common snipe

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Published in 2017 at "PeerJ"

DOI: 10.7717/peerj.3057

Abstract: Moult of feathers entails considerable physiological and energetic costs to an avian organism. Even under favourable feeding conditions, endogenous body stores and energy reserves of moulting birds are usually severely depleted. Thus, most species of… read more here.

Keywords: biochemistry; moult; migration; common snipe ... See more keywords