Effects of parental and own early developmental conditions on the phenotype in zebra finches (Taeniopygia guttata)
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Publication Details
Output type: Journal article
Author list: Krause E., Naguib M.
Publisher: Springer
Publication year: 2014
Journal: Evolutionary Ecology (0269-7653)
Volume number: 28
Issue number: 2
Start page: 263
End page: 275
Number of pages: 13
ISSN: 0269-7653
eISSN: 1573-8477
URL: http://api.elsevier.com/content/abstract/scopus_id:84893933301
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Open access status: closed
Abstract
The performance of an individual can be critically influenced by its experience early in life as well as trans-generationally by the conditions experienced by its parents. However, it remains unclear whether or not the early experience of parents and offspring interact with each other and adapt offspring when the parental and own early environmental conditions match. Here, zebra finches (Taeniopygia guttata) that had experienced either early low or high nutritional conditions raised their offspring under either matched or mismatched nutritional conditions. Parental and offspring early conditions both separately affected the offspring's adult phenotype, but early conditions experienced by parents and offspring did not interact as predicted. Offspring that grew up under conditions matching those their parents had experienced did not do better than those that grew up in a mismatched environment. Thus, transgenerational effects remain a lifelong burden to the offspring acting in addition to the offspring's own early life experience. The lack of evidence for adaptive programming to matching environmental conditions may result from non-predictive environments under natural conditions in such opportunistic breeders. © 2013 Springer Science+Business Media Dordrecht.
Keywords
Developmental conditions, Developmental stress, Exploration, Nutritional stress, Transgenerational effects
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