Ardea | |
Adaptive and Non-Adaptive Explanations for Hatching Failure in Eggs of the Red-Legged Partridge Alectoris rufa | |
Sara Cabezas-DÃaz1  Emilio Virgós1  | |
[1] 1 Universidad Rey Juan Carlos, Dpto. Matemáticas, FÃsica Aplicada y Ciencias de la Naturaleza, Escuela Superior de Ciencias Experimentales y TecnologÃa, C/Tulipán s/n, E-28933 Móstoles, Spain | |
关键词: Physiological Constraints; | |
DOI : | |
学科分类:动物科学 | |
来源: Nederlandse Ornithologische Unie/Netherlands Ornithological Union | |
【 摘 要 】
Hatchingsuccesshasbeenconsideredoneofthemainfactorsassociatedwithfitnessinbirds.Hatchingfailurecouldbetheresultoftwoindependentevents,infertilityanddeathofembryos,whichhavenotbeenindependentlyconsideredinmoststudies.Ourstudyanalyseshatchingfailurepatterninaprecocialbird,theRed-leggedPartridgeAlectorisrufa.Intrialswithcaptivebirds,wetestedeffectsofeggsize,layingorderandclutchsizeoninfertilityandembryodeathcontrollingformaternalconditionandage.Onthebasisofpreviousstudieswepredictedthatlightereggsshowhigherratesofinfertilityand/orembryomortality.Wealsopredictedthatinfertilityprevailsinfirstandlast-laideggs.
【 授权许可】
Unknown
【 预 览 】
Files | Size | Format | View |
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RO201912090719405ZK.pdf | 99KB | download |