Abstract
WHEN Cole and Miller1 obtained ovulation in anœstrous sheep there was initiated a series of studies upon the application of gonadotrophins to the improvement of animal husbandry. It is the purpose of this article to sketch out the practical problems and the progress which has been made in overcoming them. It is not practicable to quote extensively, but many of the references to experimental Work, upon which this account is based, are to be found in three papers in the Journal of Agricultural Science2,3,4.
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References
Cole, H. H., and Miller, R. F., Amer. J. Physiol., 104, 165 (1933).
(Mare) Day, F. T., J. Agric. Sci., 30, 244 (1940).
(Sheep) Hammond, jun., J., Hammond, J., and Parkes, A. S., J. Agric. Sci., 32, 308 (1942).
(Cow) Hammond, jun., J., and Bhattacharya, P., J. Agric Sci., 34, 1 (1944).
Williams-Ellis, C., personal communication.
Day, F. T., personal communications.
Hammond, jun., J., and Day, F. T., Endocrinol. (in the Press).
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HAMMOND, J. Control of Ovulation in Farm Animals. Nature 153, 702–704 (1944). https://doi.org/10.1038/153702a0
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DOI: https://doi.org/10.1038/153702a0
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