The DOI matches its Crossref record; 23 of the 23 references it cites were found in a registry or an index.
The crop milk: a potential new route for carotenoid-mediated parental effects
Abstract
Allocation of carotenoid pigments, either through nutritional provisioning or from endogenous reserves, makes up a form of non-genetic parental investment to progeny that may contribute to fitness. To date, carotenoids derived from endogenous reserves have been acknowledged as important vectors in translating only avian female phenotype and environmental conditions experienced prior to laying. Here, we show that in columbidae, crop milk delivered by both parents may provide chicks with a large amount of endogenous carotenoids at the postzygotic stage. Major carotenoids were xanthophylls and beta-carotene, but their concentrations showed large variation among individuals. Interestingly, a large amount of this variation was explained by brood identity, suggesting either environmental influences and/or phenotypic influences on a parent's ability to transfer these biomolecules. Our study therefore illuminates a potential new route for endogenous carotenoid-mediated parental effects.
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“Many birds feed offspring half-digested food, and crop 'milk' in pigeons, flamingoes and some penguins is a well-known phenomenon (Eraud et al., 2008), and it has been proposed that only something similar can explain extremely high growth rates in sauropod dinosaurs (Erickson et al., 2001).”
From The evolution of sociality and the polyvagal theory (2023) · cites this paper as Eraud et al., 2008
Citations
Cites
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The evolution of sociality and the polyvagal theory
Doody, J. S., Burghardt, G., & Dinets, V. (2023) · Biological Psychology · doi:10.1016/j.biopsycho.2023.108569 · Cited by 12
Metadata
- Authors
- Eraud, C., Dorie, A., Jacquet, A., & Faivre, B.
- ORCID
- Faivre, Bruno
- Venue
- Journal of Avian Biology
- Publisher
- Wiley
- Published
- 2008-03
- Volume
- 39
- Issue
- 2
- Pages
- 247-251
- ISSN
- 0908-8857 (ISSN-L)
- 1600-048X
- OpenAlex
- W2123467962
- Cited by
- 13
- References
- 23
- Citations by year
- 2025: 1 · 2023: 3 · 2021: 2 · 2019: 1 · 2018: 1 · 2017: 1 · 2014: 1 · 2013: 2 · 2012: 1
- FWCI
- 0.00
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Journal of Avian Biology (publishedVersion)
- Topics
- Life Sciences › Agricultural and Biological Sciences › Ecology, Evolution, Behavior and Systematics › Animal Behavior and Reproduction
- Physical Sciences › Environmental Science › Ecology › Avian ecology and behavior
- Life Sciences › Agricultural and Biological Sciences › Ecology, Evolution, Behavior and Systematics › Animal Vocal Communication and Behavior
- Keywords
- crop milk, parental effects, carotenoids, Columbidae, xanthophylls, beta-carotene, chick nutrition
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- Eraud, C., Dorie, A., Jacquet, A., & Faivre, B. (2008). The crop milk: a potential new route for carotenoid-mediated parental effects. Journal of Avian Biology. https://doi.org/10.1111/j.0908-8857.2008.04053.x