Results 21 to 30 of about 38,785 (309)
On the Feathers of “Hesperornis” [PDF]
Nature, 1897 A NUMBER of years ago I published in NATURE (December 25, 1890, p. 176) my opinion “On the Affinities of Hesperornis,” agreeing, at the time, with Prof. D'Arcy Thompson and others, that those toothed birds of the Kansas Cretaceous beds saw their nearest allies in existing birds in the Loons and Grebes, or in the typical Colymbidine assemblage. In other
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Feather versus non-feather bedding for asthma [PDF]
Cochrane Database of Systematic Reviews, 2000 Two recent epidemiological studies have reported that children using non-feather pillows suffered from more frequent episodes of wheeze than those using feather pillowsTo evaluate the efficacy of using feather bedding in the control of asthma symptoms.The Cochrane Airways Group asthma clinical trials register, derived from MEDLINE, EMBASE and hand ...
F, Campbell, K, Jones
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Effect of Repeated Gathering and Age on the Quality of Zatorska Goose Feathers
The Journal of Poultry Science, 2018 We investigated a reproductive flock of Zatorska geese. The birds were divided into four groups: three-year-old ganders (n=10), and one-, two-, and three-year-old layers (n=30).
Andrzej Ochrem +2 more
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Frontiers in Marine Science, 2022 Marine predators recovering from historic, commercial, over-harvesting can create conservation challenges when they prey on vulnerable species. Pinniped predation of seabirds presents one such challenge and identifying the source colonies experiencing ...
Sarah-Lena Reinhold +7 more
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Keratin Extraction from Wool and Feathers Using Natural Deep Eutectic Solvents
Proceedings, 2019 The wool of Țurcana sheep, the Romanian national breed, has not been fully investigated and [...]
Eliza-Gabriela Mihăilă +6 more
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Animals, 2021 The impact of physiological stress on the metabolomes of liver, kidney, and breast muscle was investigated in chickens. To incite a stress response, birds were continuously administered corticosterone (CORT) in their drinking water at three doses (0, 10,
Catherine L. J. Brown +3 more
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Soil Systems, 2023 Wetlands are dynamic ecosystems that provide feeding and nesting grounds for diverse species of waterbirds. The quality of wetland habitat may have an impact on the density, diversity, and species richness of waterbirds.
Jeganathan Pandiyan +5 more
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EXPERIMENTAL MATURATION OF FEATHERS: IMPLICATIONS FOR INTERPRETATIONS OF FOSSIL FEATHERS
, 2020 Exceptionally preserved fossil feathers and feather-like integumentary structures provide valuable insights into the early evolution of feathers and flight, but taphonomic biases often make interpretations at the microstructural and ultrastructural ...
Hu, Jianfang +3 more
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Avian Influenza Virus (H5N1) Replication in Feathers of Domestic Waterfowl
Emerging Infectious Diseases, 2008 We examined feathers of domestic ducks and geese inoculated with 2 different avian influenza virus (H5N1) genotypes. Together with virus isolation from the skin, the detection of viral antigens and ultrastructural observation of the virions in the ...
Yu Yamamoto +4 more
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هیئات الرجال والنساء غیر المألوفة علی آثار عصور ما قبل التاریخ والعصر المبکر فی مصر [PDF]
Journal of General Union of Arab Archaeologists, 2005 یعتبر هذا البحث هو الحلقة الثانیة والأخیرة فى مجال الهیئات الآدمیة غیر التقلیدیة حیث تم نشر الجزء الأول تحت عنوان " الهیئات الآدمیة غیر التقلیدیة علی آثار عصور ما قبل التاریخ والعصر المبکر فی مصر من خلال مناظر الصید ومناظر وتماثیل الأعداء والأسرى ظهرت ...
أ.د.مصطفى عطا الله
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