Abstract
THERE is a considerable body of information on the occurrence of œstrogens and androgens in avian species. Much of the relevant literature has been reviewed by Sturkie1, Lorenz2 and Burrows3. In the absence of chemical or spectrophotometric evidence for the nature of the natural avian gonadal hormones, we have attempted to detect steroid œstrogens in extracts of the ovaries and blood of laying hens.
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References
Sturkie, P. D., “Avian Physiology” (Comstock Publishing Associates, Ithaca, N.Y., 1954).
Lorenz, F. W., “Vitamins and Hormones”, 12, 235 et seq. (Academic Press, Inc., New York, N.Y., 1954).
Burrows, H., “Biological Action of Sex Hormones” (2nd. edit., Cambridge University Press, Cambridge, 1949).
Lombardo, M. E., Mann, P. H., Viscella, T. A., and Hudson, P. B., J. Biol. Chem., 212, 345 (1955).
Mitchell, F. L., Nature, 170, 621 (1952).
Brown, J. B., Biochem. J., 60, 185 (1955).
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LAYNE, D., COMMON, R. Detection of a Presumptive Keto-steroid in the Ovaries and Blood of the Laying Hen. Nature 178, 419–420 (1956). https://doi.org/10.1038/178419a0
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DOI: https://doi.org/10.1038/178419a0
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