Results 41 to 50 of about 51,270 (352)
Various Gallus varius hybrids: variation in junglefowl hybrids and Darwin's interest in them [PDF]
, 2020 Hybrids between Green Junglefowl Gallus varius and domestic fowl G. gallus domesticus confused several 19th-century ornithologists. The plumage of these hybrids is so unlike the colours and patterns of either of the parent species that they were ...
Dekkers, W, van Grouw, Hein
core +1 more source
Signalling with a cryptic trait: the regularity of barred plumage in common waxbills [PDF]
Royal Society Open Science, 2016 Sexual signals often compromise camouflage because of their conspicuousness. Pigmentation patterns, on the contrary, aid in camouflage. It was hypothesized that a particular type of pattern—barred plumage in birds, whereby pigmented bars extend across ...
Cristiana I. J. Marques +2 more
doaj +1 more source
Animals, 2023 The study covered a total of 810 hens in 3 groups (housing systems) of 270 hens each. The plumage condition of laying hens raised in various types of alternative housing systems, i.e., in deep litter (B), free-range (FR), and organic systems (O), was ...
Zofia Sokołowicz +4 more
doaj +1 more source
A selection breeding pattern for sexually dimorphic breast plumage color in Guangxi Yao chickens
Poultry Science: The breast plumage color of Guangxi Yao chickens shows obvious sexual dimorphism, with roosters showing black and black with red, and hens displaying partridge and red.
Jianbo Li +8 more
doaj +1 more source
Genome-wide Association Study of Chicken Plumage Pigmentation [PDF]
Asian-Australasian Journal of Animal Sciences, 2013 To increase plumage color uniformity and understand the genetic background of Korean chickens, we performed a genome-wide association study of different plumage color in Korean native chickens. We analyzed 60K SNP chips on 279 chickens with GEMMA methods
Mi Na Park +8 more
doaj +1 more source
Poultry Science, 2022 : Various plumage and integument scoring methods are commonly used to deduce the occurrence of severe feather pecking and cannibalism in laying hens. The aim of our study was to provide evidence of correlations between the occurrence of severe feather ...
Angela Schwarzer +8 more
doaj +1 more source
Taxonomic status of the Liberian Greenbul Phyllastrephus leucolepis and the conservation importance of the Cavalla Forest, Liberia [PDF]
, 2017 We thank Jochen Martens for his long-lasting patience in dealing with the specimen of leucolepis, and Brian Hillcoat for comments and advice. It is hardly possible to thank by name all those who have supported WG over the past 30 years and more since ...
Collinson, J. Martin +6 more
core +1 more source
Advanced Engineering Materials, EarlyView.The low cycle fatigue life of additive manufactured HAYNES® 282® superalloy was investigated for conventional and high‐productivity processing: samples of the former lasted 1400–1700 cycles, while samples of the latter failed at ~ 1200 cycles, at 760 °C and 1% strain.
Abdul Shaafi Shaikh +3 more
wiley +1 more source
Assessment of broiler chicken welfare in Southern Brazil [PDF]
, 2016 Scientific literature on broiler chicken welfare in Brazilian industrial systems is scarce. This study aimed at assessing broiler chicken welfare on industrial farms in the State of Rio Grande do Sul, Southern Brazil, using the Welfare Quality (R ...
Federici, JF +5 more
core +3 more sources