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Effects of thyroxine on the reproductive organs and growth of young chickens

Experientia volume 40, pages 281–283 (1984)Cite this article

Summary

Male chicks of an egg-laying strain were injected with 0, 1, 2 or 4 μg/100g b. wt thyroxine s. c. daily from 7 to 12 weeks of age. Increasing dose suppressed testicular development and puberty was completely blocked by the highest level. Live weight gain was enhanced by thyroxine treatment. Similar treatment of females prevented normal development of the ovaries at puberty.

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Author information

Author notes

  1. M. H. Injidi

    Present address: College of Veterinary Medicine, University of, Baghdad, Iraq

Affiliations

  1. Huntingdon Research Centre, PE18 6ES, Huntingdon, (England)

    S. K. Majeed, M. H. Injidi & J. M. Forbes

  2. Department of Animal Physiology and Nutrition, University of Leeds, LS2 9JT, Leeds, (England)

    S. K. Majeed, M. H. Injidi & J. M. Forbes

Authors
  1. S. K. Majeed
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  2. M. H. Injidi
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  3. J. M. Forbes
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Majeed, S.K., Injidi, M.H. & Forbes, J.M. Effects of thyroxine on the reproductive organs and growth of young chickens. Experientia 40, 281–283 (1984). https://doi.org/10.1007/BF01947583

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  • DOI: https://doi.org/10.1007/BF01947583

Keywords

  • Weight Gain
  • Thyroxine
  • Normal Development
  • Live Weight
  • Reproductive Organ