Results 11 to 20 of about 308,768 (331)

Effective biodegradation of chicken feather waste by co-cultivation of keratinase producing strains

open access: yesMicrobial Cell Factories, 2019
BackgroundChicken feather, a byproduct of poultry-processing industries, are considered a potential high-quality protein supplement owing to their crude protein content of more than 85%. Nonetheless, chicken feathers have been classified as waste because
Zheng Peng   +4 more
semanticscholar   +1 more source

Feather degradation by keratinolytic bacteria and biofertilizing potential for sustainable agricultural production

open access: yesJournal of Basic Microbiology, 2018
Feathers account for 5–7% of the total weight of chicken have become one of the major pollutants due to their recalcitrant nature. Feather which is constituted of 90% keratin can be a good source of peptides, amino acids, and minerals for use as organic ...
K. Tamreihao   +5 more
semanticscholar   +1 more source

XANTHAN GUM DARI Xanthomonas campestris DENGAN KOMBINASI SUBSTRAT LIMBAH PADAT TAPIOKA DAN PEPTON BULU AYAM SEBAGAI BAHAN TAMBAHAN PANGAN [PDF]

open access: yes, 2020
Xanthan gum is a polysaccharide that required polysaccharide material in the form of starch, namely tapioca solid waste through aerobic fermentation used Xanthomonas campestris bacteria.
Kamila, salsabila tazkiyatul
core  

The Making of a Flight Feather: Bio-architectural Principles and Adaptation.

open access: yesCell, 2019
The evolution of flight in feathered dinosaurs and early birds over millions of years required flight feathers whose architecture features hierarchical branches. While barb-based feather forms were investigated, feather shafts and vanes are understudied.
W. Chang   +39 more
semanticscholar   +1 more source

Diverse feather shape evolution enabled by coupling anisotropic signalling modules with self-organizing branching programme

open access: yesNature Communications, 2017
Adaptation of feathered dinosaurs and Mesozoic birds to new ecological niches was potentiated by rapid diversification of feather vane shapes. The molecular mechanism driving this spectacular process remains unclear.
Ang Li   +6 more
semanticscholar   +1 more source

Feather corticosterone levels on wintering grounds have no carry-over effects on breeding among three populations of great skuas (Stercorarius skua) [PDF]

open access: yes, 2014
Environmental conditions encountered by migratory seabirds in their wintering areas can shape their fitness. However, the underlying physiological mechanisms remain largely unknown as birds are relatively inaccessible during winter.
Bourgeon, Sophie   +8 more
core   +3 more sources

Exposing image forgery by detecting traces of feather operation [PDF]

open access: yes, 2015
Powerful digital image editing tools make it very easy to produce a perfect image forgery. The feather operation is necessary when tampering an image by copy–paste operation because it can help the boundary of pasted object to blend smoothly and ...
Li, Zhe   +4 more
core   +1 more source

Early feather pecking as a form of social exploration:the effect of group stability on feather pecking and tonic immobility in domestic chicks [PDF]

open access: yes, 2002
In two lines of White Leghorns that differ in their propensity to feather peck, feather pecking was already present I day after hatching. A significant line difference developed within 3 days and this difference remained in the following weeks. There was
Groothuis, A.G.G., Riedstra, Bernd
core   +2 more sources

VARIANCE COMPONENTS AND SELECTION FOR FEATHER PECKING BEHAVIOR IN LAYING HENS [PDF]

open access: yes, 2005
Variance components and selection response for feather pecking behaviour were studied by analysing the data from a divergent selection experiment.
Kjaer, Jørgen B.   +2 more
core  

Where in the serotonergic system does it go wrong? Unravelling the route by which the serotonergic system affects feather pecking in chickens

open access: yesNeuroscience and Biobehavioral Reviews, 2018
&NA; A deficient serotonergic system is associated with psychopathological behaviors in various species, among which, feather pecking (FP) in chickens.
E. N. de Haas, Jerine A. J. van der Eijk
semanticscholar   +1 more source

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