Abolition of the seasonal release of luteinizing hormone and testosterone in Alpine male goats (Capra hircus) by short photoperiodic cycles.

@article{Delgadillo1992AbolitionOT,
  title={Abolition of the seasonal release of luteinizing hormone and testosterone in Alpine male goats (Capra hircus) by short photoperiodic cycles.},
  author={Jos{\'e} Alberto Delgadillo and Philippe Chemineau},
  journal={Journal of reproduction and fertility},
  year={1992},
  volume={94 1},
  pages={45-55}
}
This study was performed to determine whether rapid alternation between long and short days abolished seasonal variations in the activity of the hypothalamo-pituitary-testis axis observed normally in Alpine and Saanen male goats during the year. Three groups of 6 males were used: group 1 remained in open sheds under the natural annual change in daylength from 16 h of light (long day) to 8 h of light (short day). Group 2 was exposed to 1 month of long days alternated with 1 month of short days… CONTINUE READING

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