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Flight feather

Flight feather development: its early specialization during embryogenesis

Flight feather development: its early specialization during embryogenesis

... a flight feather in the FFF region in that ...developing feather and are therefore not visible yet as described by Alibardi ...down feather is still on the distal end of the opening bi- ...

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Flight feather moult in Western Marsh Harriers during autumn migration

Flight feather moult in Western Marsh Harriers during autumn migration

... Our results suggest that adult WMHs start their autumn migration once the last primary to be moulted (maxi- mum until the P7) was already expelled, and the previ- ous primaries are already growing. Growing stages of ...

6

In vivo strains in pigeon flight feather shafts: implications for structural design

In vivo strains in pigeon flight feather shafts: implications for structural design

... of feather shafts (which again depends on our ability to estimate reliably the effect of strain gauge reinforcement) is therefore likely to reflect the need for achieving a high stiffness while, at the same time, ...

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Are melanized feather barbs stronger?

Are melanized feather barbs stronger?

... primary feather was obtained from the frozen right wing of an osprey (Pandion haliaetus ...The feather was asymmetrical (as most flight feathers are), with the smaller side (leading edge) being ...

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The Young's modulus of feather keratin

The Young's modulus of feather keratin

... of flight feathers. All of the carcasses from which feather material was examined had been stored frozen at 2 20 ˚C in sealed bags prior to thawing and ...

5

Relationship Between Body Size and Migratory Fat Stores in Catharus Thrushes

Relationship Between Body Size and Migratory Fat Stores in Catharus Thrushes

... load, flight feather molt, body molt, reproductive condition, flight feather wear, and subcutaneous fat deposits on qualitative scales with pre-defined written criteria (Gordon et ...

5

Ontogeny of lift and drag production in ground birds

Ontogeny of lift and drag production in ground birds

... 6d.p.h., flight feathers have begun to unfurl and birds start to engage in WAIR through inconsistent, asymmetrical ...although flight feathers remain unfurled only distally until ...level flight is ...

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Corticosterone in Feathers as a Biomarker: Biological Relevance, Considerations and Cautions

Corticosterone in Feathers as a Biomarker: Biological Relevance, Considerations and Cautions

... bird’s flight surface (collectively called flight feathers; Howell, 2010; Figures ...moult flight feathers symmetrically between wings, beginning with the innermost primaries outward to the wing tip, ...

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The biology of feather follicles

The biology of feather follicles

... different feather tracts are well coordinated in a bird to ensure no acute disruption of function ...modulate feather cycling though some systematic coordination, possibly ...however, feather ...

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Feather Vibration as a Stimulus for Sensing Incipient Separation in Falcon Diving Flight

Feather Vibration as a Stimulus for Sensing Incipient Separation in Falcon Diving Flight

... the flight-path angle is about 50˚ relative to the horizontal and the bird’s angle of incidence is roughly ...secondary flight feathers are ...such flight conditions and therefore couldn’t give an ...

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Feather Vibration as a Stimulus for Sensing Incipient Separation in Falcon Diving Flight

Feather Vibration as a Stimulus for Sensing Incipient Separation in Falcon Diving Flight

... and flight feathers can vibrate up and down rapidly ...actual flight conditions which were ...the feather-filoplume mechanoreceptors at the follicle on white leghorn ...each feather as ...

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Optimization of keratinase production by 
		bacillus slii i bacteria in chicken feather waste medium

Optimization of keratinase production by bacillus slii i bacteria in chicken feather waste medium

... Keratinase is produced by bacteria, such as the genus Bacillus. Bacillus genus is able to live in a wide range of temperatures and pH. Bacillus genus is one of the bacteria that have various capabilities that can be ...

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“A Potential Beta-Keratin Degrading Bacteria from Vellore Emu Feather Dumped Soil” by Mohanapriya.M, Parvathi.L, Archana.B, Suneetha V, India.

“A Potential Beta-Keratin Degrading Bacteria from Vellore Emu Feather Dumped Soil” by Mohanapriya.M, Parvathi.L, Archana.B, Suneetha V, India.

... emu feather dumped soil in superficial layer of soil and 20 strains were identified from same soil with 10 cm depth in Kilmonavoor, Vellore, Tamil ...chicken feather dumped soil in Konavattam, Vellore, and ...

5

Age and Gender Dependent Nutrient Composition of Feather and Feather Free Body Fractions in Meat Type Chickens

Age and Gender Dependent Nutrient Composition of Feather and Feather Free Body Fractions in Meat Type Chickens

... the feather DM is low in CL and ...the feather-free and whole empty body DM vary inversely with the CL ...the feather and feather-free body fractions and in the whole empty body of modern ...

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Optimization and biodegradation of feather waste

Optimization and biodegradation of feather waste

... Poultry feather constitutes the most abundant keratinous material in ...the feather is keratin, a mechanically durable and chemically unreactive protein, which renders it difficult to digest by the most ...

5

The formation of the feather pattern in chick skin after a proportion of cells have been killed by X irradiation

The formation of the feather pattern in chick skin after a proportion of cells have been killed by X irradiation

... Fertili white Leghorn chicken eggs from Polydon egg farm (Hertfordshire, UK) were incubated at 38±1°C and then windowed and staged according to Hamburger and Hamilton (1951). The embryo was removed to a sterile dish ...

7

The ectodysplasin pathway in feather tract development

The ectodysplasin pathway in feather tract development

... ectopic feather bud formation, Eda is induced in the surrounding mesenchyme, but this is an indirect consequence of bud formation and does not correlate with the pattern of β -catenin pathway ...

10

Summary of Cloud Systems Birds of a Feather

Summary of Cloud Systems Birds of a Feather

... It must be considered a dynamic entity, capable of reservation, alongside computing and storage Thus, the issues of Cloud networks are essentially the same as for Grid networks, but with[r] ...

6

The feather tracts of sphenura broad benti:Mccoy

The feather tracts of sphenura broad benti:Mccoy

... The cause of the distinctive markings of the under surface in the adult D is due to the terminal portion of each of the barbs of the feathers being deep brown, and the subterminal portio[r] ...

6

Analysis of Genetic Diversity and Evolution through Recombination of Beak and Feather Disease Virus

Analysis of Genetic Diversity and Evolution through Recombination of Beak and Feather Disease Virus

... typical feather dystrophy, and from Rainbow Lorikeets (Trichoglossus haematodus forsteni) which recovered from an acute outbreak within an aviary, clustered in separate branches, indicating the possible existence ...

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