Maternal effects mediated by egg quality in the Yellow-legged Gull Larus michahellis in relation to laying order and embryo sex


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Rubolini D., Romano M., NAVARA K. J. , Karadaş F. , AMBROSINI R., Caprioli M., ...Daha Fazla

FRONTIERS IN ZOOLOGY, cilt.8, 2011 (SCI İndekslerine Giren Dergi) identifier identifier identifier

  • Cilt numarası: 8
  • Basım Tarihi: 2011
  • Doi Numarası: 10.1186/1742-9994-8-24
  • Dergi Adı: FRONTIERS IN ZOOLOGY

Özet

Background: Maternal effects mediated by egg size and quality may profoundly affect offspring development and performance, and mothers may adjust egg traits according to environmental or social influences. In avian species, context-dependency of maternal effects may result in variation in egg composition, as well as in differential patterns of covariation among selected egg components, according to, for example, position in the laying sequence or offspring sex. We investigated variation in major classes of egg yolk components (carotenoids, vitamins and steroid hormones) in relation to egg size, position in the laying sequence and embryo sex in clutches of the Yellow-legged Gull (Larus michahellis). We also investigated their covariation, to highlight mutual adjustments, maternal constraints or trade-offs in egg allocation.