Eggshell coloration and its importance in postmating sexual selection [PDF]
Ecology and Evolution, 2017 AbstractAvian eggshell color seems to fulfill multiple functions, some of them being structural and others signaling. In this study, we tested whether or not eggshell coloration may play a role in sexual selection of Tree Sparrows (Passer montanus). According to the “Sexually selected eggshell coloration” hypothesis, eggshell coloration signals female,
Poláček, Miroslav +5 more
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Chorioallantoic membrane assay as model for angiogenesis in tissue engineering : focus on stem cells [PDF]
, 2020 Tissue engineering aims to structurally and functionally regenerate damaged tissues, which requires the formation of new blood vessels that supply oxygen and nutrients by the process of angiogenesis.
Bronckaers, Annelies +6 more
core +3 more sources
Frontiers in Veterinary Science, 2021 The blue egg is both of biological interest and economic importance for consumers, egg retailers, and scientists. To date, the genetic mechanisms underlying pigment have mainly focused on protein-coding genes.
Siyu Chen +7 more
doaj +1 more source
Eggshell pigment composition covaries with phylogeny but not with life history or with nesting ecology traits of British passerines [PDF]
, 2015 No single hypothesis is likely to explain the diversity in eggshell coloration and patterning across birds, suggesting that eggshell appearance is most likely to have evolved to fulfill many nonexclusive functions.
Brulez, Kaat +9 more
core +7 more sources
Eggshell biliverdin concentration does not sufficiently predict eggshell coloration
Journal of Avian Biology, 2016 Avian eggshell coloration may have arisen due to selection on the biological, chemical, or physical properties of the pigments embedded within the eggshell, or due to selection on the coloration that emerges due to pigment deposition. Within both hypothetical frameworks, pigment‐based eggshell coloration would be related to metrics
Michael W. Butler, Haleigh S. Waite
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Legacy pollutants are declining in Great Skuas (Stercorarius skua) but remain higher in Faroe Islands than in Scotland [PDF]
, 2016 To monitor environmental pollutants in Faroese biota, samples from a top predator were analysed and put into a spatial and temporal context. Analysis of 20 Great Skua eggs sampled in 2012 from the Faroe Islands showed >70 % lower concentrations of ...
Alonso, Sarah +5 more
core +2 more sources
Genetic variation in eggshell crystal size and orientation is large and these traits are correlated with shell thickness and are associated with eggshell matrix protein markers [PDF]
, 2012 The size and orientation of calcium carbonate crystals influence the structure and strength of the eggshells of chickens. In this study, estimates of heritability were found to be high (0.6) for crystal size and moderate (0.3) for crystal orientation ...
Ahmed +28 more
core +1 more source
Egg discrimination along a gradient of natural variation in eggshell coloration [PDF]
Proceedings of the Royal Society B: Biological Sciences, 2017 Accurate recognition of salient cues is critical for adaptive responses, but the underlying sensory and cognitive processes are often poorly understood. For example, hosts of avian brood parasites have long been assumed to reject foreign eggs from their nests based on the total degree of dissimilarity in colour to their own eggs, regardless of the ...
Daniel Hanley +6 more
openaire +4 more sources
A review of the relationship between eggshell colour and water vapour conductance [PDF]
, 2011 This review brings together the available literature that examines the effect of variations in pigmentation on the gas conductance of avian eggshells. Pheasant and Houbara bustard eggs provide some evidence that shell abnormalities can impact upon colour
Baggott G.K. +14 more
core +1 more source