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Title

Limited effects of egg size on chick growth in the chinstrap Penguin pygoscelis antarctica

AuthorsBelliure, Josabel; Carrascal, Luis M. ; Mínguez, Eduardo; Ferrer, Miguel
Issue Date1999
PublisherSpringer
CitationPolar Biology 21: 80- 83 (1999)
AbstractWe studied the effect of egg size on chick growth in the chinstrap penguin under natural non-manipulative, conditions. The influence of egg size on chick mass at hatching, 15 and 45 days of age was analysed controlling for the effect of hatching date, as hatching date has been repeatedly associated with chick growth in this species. Egg volume explained 20% of the variation in the body mass of chicks at hatching. Its effect disappeared as chicks grew, being statistically not significant at the age of 15 and 45 days. Egg volume asymmetry also had no role in determining chicks' growth asymmetries.
URIhttp://hdl.handle.net/10261/66792
DOI10.1007/s003000050337
Identifiersdoi: 10.1007/s003000050337
issn: 0722-4060
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