About: Rapid development of brood-parasitic cuckoo embryos cannot be explained by increased gas exchange through the eggshell

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About: Rapid development of brood-parasitic cuckoo embryos cannot be explained by increased gas exchange through the eggshell Goto Sponge NotDistinct Permalink

An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

Attributes	Values
rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
rdfs:seeAlso	http://onlinelibrary.wiley.com/doi/10.1111/jzo.12144/epdf
Description	Obligate avian brood parasites lay their eggs in hosts' nests and play no role in the provisioning of the progeny. Many parasites, including Cuculus cuckoos, hatch before their hosts and the altricial chick evicts hosts eggs and nestlings. A hypothesized, but so far untested parasite adaptation is that the embryos of cuckoos develop more quickly than the hosts' because the higher porosity of the parasite's eggshell allows greater gaseous exchange, potentially supporting more rapid development. We compared the water vapour conductance (GH2O) of common cuckoo (Cuculus canorus) eggshells and those of several passerines, including various cuckoo host species, and non-passerine species. Contrary to the prediction, the cuckoo eggs had lower GH2O than eggs of their hosts, and lower GH2O than predicted for their egg size and phylogeny. A potential advantage for the cuckoo egg of having a lower GH2O may be that the yolk is depleted at a slower rate, allowing more reserves to remain at the end of incubation, assisting the embryo with the energetically demanding tasks of hatching from a thicker eggshell, and evicting host eggs and nestmates Obligate avian brood parasites lay their eggs in hosts' nests and play no role in the provisioning of the progeny. Many parasites, including Cuculus cuckoos, hatch before their hosts and the altricial chick evicts hosts eggs and nestlings. A hypothesized, but so far untested parasite adaptation is that the embryos of cuckoos develop more quickly than the hosts' because the higher porosity of the parasite's eggshell allows greater gaseous exchange, potentially supporting more rapid development. We compared the water vapour conductance (GH2O) of common cuckoo (Cuculus canorus) eggshells and those of several passerines, including various cuckoo host species, and non-passerine species. Contrary to the prediction, the cuckoo eggs had lower GH2O than eggs of their hosts, and lower GH2O than predicted for their egg size and phylogeny. A potential advantage for the cuckoo egg of having a lower GH2O may be that the yolk is depleted at a slower rate, allowing more reserves to remain at the end of incubation, assisting the embryo with the energetically demanding tasks of hatching from a thicker eggshell, and evicting host eggs and nestmates (en)
Title	Rapid development of brood-parasitic cuckoo embryos cannot be explained by increased gas exchange through the eggshell Rapid development of brood-parasitic cuckoo embryos cannot be explained by increased gas exchange through the eggshell (en)
skos:prefLabel	Rapid development of brood-parasitic cuckoo embryos cannot be explained by increased gas exchange through the eggshell Rapid development of brood-parasitic cuckoo embryos cannot be explained by increased gas exchange through the eggshell (en)
skos:notation	RIV/61989592:15310/14:33153412!RIV15-MSM-15310___
http://linked.open...avai/riv/aktivita	I
http://linked.open...avai/riv/aktivity	I
http://linked.open...iv/cisloPeriodika	4
http://linked.open...vai/riv/dodaniDat	2015
http://linked.open...aciTvurceVysledku	Grim, Tomáš
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Univerzita Palackého v Olomouci / Přírodovědecká fakulta
http://linked.open...dnocenehoVysledku	41355
http://linked.open...ai/riv/idVysledku	RIV/61989592:15310/14:33153412
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Cuculus canorus, conductance, eggshell porosity, parasite, permeability (en)
http://linked.open.../riv/klicoveSlovo	permeability conductance Cuculus canorus parasite eggshell porosity
http://linked.open...odStatuVydavatele	GB - Spojené království Velké Británie a Severního Irska
http://linked.open...ontrolniKodProRIV	[61CA09C32C68]
http://linked.open...i/riv/nazevZdroje	Journal of Zoology
http://linked.open...in/vavai/riv/obor	EG
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	6 (xsd:int)
http://linked.open...UplatneniVysledku	2014
http://linked.open...v/svazekPeriodika	293
http://linked.open...iv/tvurceVysledku	Cassey, P. Grim, Tomáš Portugal, Steven J Hauber, Mark E Maurer, Golo Stokke, B G
http://linked.open...ain/vavai/riv/wos	000340396500001
issn	0952-8369
number of pages	8 (xsd:int)
http://bibframe.org/vocab/doi	10.1111/jzo.12144
http://localhost/t...ganizacniJednotka	15310

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