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Parental investment and egg yolk lipid composition in gulls.

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Parental investment and egg yolk lipid composition in gulls. / Royle, Nick J.; Surai, P. F.; McCartney, R. J. et al.
In: Functional Ecology, Vol. 13, No. 3, 06.1999, p. 298-306.

Research output: Contribution to Journal/MagazineJournal articlepeer-review

Harvard

Royle, NJ, Surai, PF, McCartney, RJ & Speake, BK 1999, 'Parental investment and egg yolk lipid composition in gulls.', Functional Ecology, vol. 13, no. 3, pp. 298-306. https://doi.org/10.1046/j.1365-2435.1999.00306.x

APA

Royle, N. J., Surai, P. F., McCartney, R. J., & Speake, B. K. (1999). Parental investment and egg yolk lipid composition in gulls. Functional Ecology, 13(3), 298-306. https://doi.org/10.1046/j.1365-2435.1999.00306.x

Vancouver

Royle NJ, Surai PF, McCartney RJ, Speake BK. Parental investment and egg yolk lipid composition in gulls. Functional Ecology. 1999 Jun;13(3):298-306. doi: 10.1046/j.1365-2435.1999.00306.x

Author

Royle, Nick J. ; Surai, P. F. ; McCartney, R. J. et al. / Parental investment and egg yolk lipid composition in gulls. In: Functional Ecology. 1999 ; Vol. 13, No. 3. pp. 298-306.

Bibtex

@article{cb09eeedf8374691bd732f51d6143338,
title = "Parental investment and egg yolk lipid composition in gulls.",
abstract = "1. Within-clutch variation in parental investment of yolk lipid (including essential fatty acid composition and fat-soluble vitamin content) was investigated in whole clutches of three eggs of Lesser Black-backed Gulls, Larus fuscus. 2. Although there were no significant differences between years in egg size or yolk mass among eggs of the same laying order, eggs collected in 1996 had significantly lower lipid content than those collected in 1997. 3. In both years third-laid c-eggs were smaller, had a smaller mass of yolk and had significantly lower yolk lipid mass compared with earlier laid (a- and b-) eggs. 4. Despite this lower lipid mass of c-eggs, of the different lipid fractions only cholesterol content of c-eggs was significantly lower than that of a- or b-eggs. 5. Earlier laid eggs had greater amounts of arachidonic acid in the phospholipid and cholesterol ester fractions of yolk lipid, and considerably greater quantities of vitamin E and carotenoids. 6. Conversely, levels of linoleic acid and vitamin A were equalized among eggs of different laying sequence as both these essential nutrients have primarily systemic roles. 7. The probable effect of increased antioxidant (vitamin E and carotenoid) content of earlier-laid eggs is to enhance embryonic and neonatal growth and development, reduce susceptibility to pathogens and increase the ability of the embryo to withstand the oxidative stress associated with hatching. 8. The results suggest that there is maternal bias of essential nutrients to offspring with the highest reproductive value in order to maximize reproductive success.",
keywords = "Egg composition • Larus fuscus",
author = "Royle, {Nick J.} and Surai, {P. F.} and McCartney, {R. J.} and Speake, {B. K.}",
year = "1999",
month = jun,
doi = "10.1046/j.1365-2435.1999.00306.x",
language = "English",
volume = "13",
pages = "298--306",
journal = "Functional Ecology",
issn = "0269-8463",
publisher = "Blackwell Publishing Ltd",
number = "3",

}

RIS

TY - JOUR

T1 - Parental investment and egg yolk lipid composition in gulls.

AU - Royle, Nick J.

AU - Surai, P. F.

AU - McCartney, R. J.

AU - Speake, B. K.

PY - 1999/6

Y1 - 1999/6

N2 - 1. Within-clutch variation in parental investment of yolk lipid (including essential fatty acid composition and fat-soluble vitamin content) was investigated in whole clutches of three eggs of Lesser Black-backed Gulls, Larus fuscus. 2. Although there were no significant differences between years in egg size or yolk mass among eggs of the same laying order, eggs collected in 1996 had significantly lower lipid content than those collected in 1997. 3. In both years third-laid c-eggs were smaller, had a smaller mass of yolk and had significantly lower yolk lipid mass compared with earlier laid (a- and b-) eggs. 4. Despite this lower lipid mass of c-eggs, of the different lipid fractions only cholesterol content of c-eggs was significantly lower than that of a- or b-eggs. 5. Earlier laid eggs had greater amounts of arachidonic acid in the phospholipid and cholesterol ester fractions of yolk lipid, and considerably greater quantities of vitamin E and carotenoids. 6. Conversely, levels of linoleic acid and vitamin A were equalized among eggs of different laying sequence as both these essential nutrients have primarily systemic roles. 7. The probable effect of increased antioxidant (vitamin E and carotenoid) content of earlier-laid eggs is to enhance embryonic and neonatal growth and development, reduce susceptibility to pathogens and increase the ability of the embryo to withstand the oxidative stress associated with hatching. 8. The results suggest that there is maternal bias of essential nutrients to offspring with the highest reproductive value in order to maximize reproductive success.

AB - 1. Within-clutch variation in parental investment of yolk lipid (including essential fatty acid composition and fat-soluble vitamin content) was investigated in whole clutches of three eggs of Lesser Black-backed Gulls, Larus fuscus. 2. Although there were no significant differences between years in egg size or yolk mass among eggs of the same laying order, eggs collected in 1996 had significantly lower lipid content than those collected in 1997. 3. In both years third-laid c-eggs were smaller, had a smaller mass of yolk and had significantly lower yolk lipid mass compared with earlier laid (a- and b-) eggs. 4. Despite this lower lipid mass of c-eggs, of the different lipid fractions only cholesterol content of c-eggs was significantly lower than that of a- or b-eggs. 5. Earlier laid eggs had greater amounts of arachidonic acid in the phospholipid and cholesterol ester fractions of yolk lipid, and considerably greater quantities of vitamin E and carotenoids. 6. Conversely, levels of linoleic acid and vitamin A were equalized among eggs of different laying sequence as both these essential nutrients have primarily systemic roles. 7. The probable effect of increased antioxidant (vitamin E and carotenoid) content of earlier-laid eggs is to enhance embryonic and neonatal growth and development, reduce susceptibility to pathogens and increase the ability of the embryo to withstand the oxidative stress associated with hatching. 8. The results suggest that there is maternal bias of essential nutrients to offspring with the highest reproductive value in order to maximize reproductive success.

KW - Egg composition • Larus fuscus

U2 - 10.1046/j.1365-2435.1999.00306.x

DO - 10.1046/j.1365-2435.1999.00306.x

M3 - Journal article

VL - 13

SP - 298

EP - 306

JO - Functional Ecology

JF - Functional Ecology

SN - 0269-8463

IS - 3

ER -