Abstract
THE administration of thyroprotein to female rats caused an increase in weight of the ovaries, with histological evidence of intense luteinization1. It was found that iodinated casein proved beneficial in improving libido and fertility in inactive bulls. It has also been found to overcome ‘summer sterility’ in rams2. So far, little work has been carried out to investigate the effect of thyroxine on the various reproductive processes in the ewe.
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Blaxter, K. L., Reineke, E. P., Crampton, E. W., and Peterson, W. E., J. Anim. Sci., 8, 307 (1949).
Hammond, jun., J., J. Endocr., 4, 169 (1945).
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LABBAN, F. Effect of Thyroxine on Sexual Behaviour in the Ewe. Nature 174, 933 (1954). https://doi.org/10.1038/174933a0
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DOI: https://doi.org/10.1038/174933a0
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