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Yolk lipid changes during embryonic development of the alligator and chicken : association with temperature dependent sex determination

Published online by Cambridge University Press:  24 November 2017

R.C. Noble ,
M.W.J. Ferguson  and
D.C. Deeming
R.C. Noble
Affiliation:
West of Scotland College, Auchincruive, Ayr, Scotland
M.W.J. Ferguson
Affiliation:
Department of Cell and Structural Biology, University of Manchester, Manchester, England
D.C. Deeming
Affiliation:
Department of Cell and Structural Biology, University of Manchester, Manchester, England
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Extract

The slaughter of male chickens at hatching in the egg industry constitutes a considerable financial loss. Although there is a close phylogenetic relationship with the chicken, the alligator displays the unique phenomena of temperature dependent sex determination i.e. the temperature of egg incubation determines the sex of the progeny (1). A comparison of chicken and alligator embryo metabolic data may thus suggest ways through which the sex determination operates and may be applied to the chicken. In the chicken and the alligator the lipids of the yolk perform a vital role as an essential nutrient and energy source to the developing embryo (2). As part of a wider research programme on temperature dependent sex determination, comparative data has been obtained on aspects of yolk lipid metabolism in the two species.

Type
Genetics and Reproduction
Information
Proceedings of the British Society of Animal Production (1972) , Volume 1990 , March 1990 , pp. 169
Copyright
Copyright © The British Society of Animal Production 1990

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References

1. Ferguson, M.W.J, and Joanen, T. (1982). Nature (Lond.), 296:850–853 Google Scholar
2. Noble, R.C. (1987), J. Exptl. Zoology, Supplement 1:65–73 Google Scholar
3. Christie, W.W. (1982). Lipid Analysis, Pergamon Press, Oxford.Google Scholar