Results 51 to 60 of about 27,668 (271)

The effect of static incubation on the yolk sac vasculature of the Japanese quail (Coturnix c. japonica) [PDF]

open access: yes, 2006
Static incubation affects early embryonic development with, notably, a reduction area vasculosa expansion and diminished sub-embryonic fluid (SEF) volume, effects produced during a ‘critical’ period (3-7 days in the chick) (Baggott et al., 2002).
Baggott, Glenn K., Shapland, F
core  

Postcopulatory sexual selection favors fertilization success of restocking hybrid quails over native Common quails (Coturnix coturnix) [PDF]

open access: yes, 2015
Postcopulatory sexual selection plays an important role in the reproductive success of males in many species. Differences in fertilization success could affect rates of admixture and genetic introgression between divergent lineages. We investigated sperm
Caballero de la Calle, José Ramón   +5 more
core   +1 more source

Peering into the world of wild passerines with 3D‐SOCS: Synchronized video capture and posture estimation

open access: yesMethods in Ecology and Evolution, EarlyView.
Abstract Collection of large behavioural data‐sets on wild animals in natural habitats is vital in ecology and evolution studies. Recent progress in machine learning and computer vision, combined with inexpensive microcomputers, has unlocked a new frontier of fine‐scale markerless measurements.
Michael Chimento   +3 more
wiley   +1 more source

Detection of Genetic Relationship in the Tree of Life of Some Quail Through Molecular Markers Analyses

open access: yesBrazilian Archives of Biology and Technology, 2017
Quail is an important and interesting group of galliform birds. The Common quail (Coturnix coturnix); the Japanese quail (Coturnix japonica); the Panda quail (Coturnix japonica); the Dotted white quail (Coturnix japonica) and the Bobwhite quail (Colinus ...
Lamiaa Elsayed Mokhtar Deef
doaj   +1 more source

Species composition and distribution of gallinaceous birds (Aves, Galliformes) in the south of eastern Europe during the Late Pleistocene and Holocene—a review

open access: yesBoreas, EarlyView.
This study investigates the species composition and distribution of gallinaceous birds (Galliformes) in the south of eastern Europe, specifically within the territory of present‐day Ukraine, during the Late Pleistocene and Holocene. The research is based on the comprehensive revision of skeletal remains found at archaeological sites.
Leonid Gorobets   +3 more
wiley   +1 more source

Comparison of physical meat quality properties of young and spent female quail of different genetic stock [PDF]

open access: yesEurasian Journal of Veterinary Sciences, 2022
Aim: This study was carried out to investigate the physical meat quality properties of young and spent female quail of different genetic lines. Materials and Methods: A total of 80 random samples of fresh breast and leg meat of young and spent female ...
Metin Petek   +2 more
doaj  

Meadow birds on organic and conventional arable farms in the Netherlands: abundance and nest success [PDF]

open access: yes, 2010
Intensification of agriculture is mentioned to be the key drive behind the decline of farmland birds on grassland and on arable land. This raises the question whether a less intensive system, such as organic, can stop or reverse these declines.
Kragten, Steven
core  

Assessment of long-range correlation in animal behaviour time series: the temporal pattern of locomotor activity of Japanese quail (Coturnix coturnix) and mosquito larva (Culex quinquefasciatus) [PDF]

open access: yes, 2013
The aim of this study was to evaluate the performance of a classical method of fractal analysis, Detrended Fluctuation Analysis (DFA), in the analysis of the dynamics of animal behavior time series. In order to correctly use DFA to assess the presence of
Alados   +48 more
core   +3 more sources

Spatial Orientation in Japanese Quails (Coturnix coturnix japonica)

open access: yesPLoS ONE, 2011
Finding a given location can be based on a variety of strategies, for example on the estimation of spatial relations between landmarks, called spatial orientation. In galliform birds, spatial orientation has been demonstrated convincingly in very young domestic chicks. We wanted to know whether adult Japanese quails (Coturnix coturnix japonica) without
Ruploh, Tim   +2 more
openaire   +5 more sources

Exposure to the Oestrogenic Pollutant 17α‐Ethinyl Estradiol (EE2) Does Not Alter the Behaviour of a Coastal Marine Fish, Cristiceps australis

open access: yesEthology, EarlyView.
Environmental contamination with the synthetic estrogen 17α‐ethinyl estradiol (EE2) is widespread in coastal ecosystems, yet behavioural effects in marine fishes remain poorly understood. We exposed southern crested weedfish (Cristiceps australis) to low and high EE2 concentrations for 14 days and assessed boldness and anxiety using a refuge‐use assay.
Shiho Ozeki   +6 more
wiley   +1 more source

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