Adaptive and Non-Adaptive Explanations for Hatching Failure in Eggs of the Red-Legged Partridge Alectoris rufa

Ardea

Sara Cabezas-Díaz¹  Emilio Virgós¹ 

[1] 1 Universidad Rey Juan Carlos, Dpto. Matemáticas, Física Aplicada y Ciencias de la Naturaleza, Escuela Superior de Ciencias Experimentales y Tecnología, 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