Photoperiodism, pineal clock and seasonal reproduction in the Indian Weaver Bird (Ploceus philippinus)

@article{Rani2007PhotoperiodismPC,
  title={Photoperiodism, pineal clock and seasonal reproduction in the Indian Weaver Bird (Ploceus philippinus)},
  author={Sangeeta Rani and Sudhi Singh and Vinod Kumar},
  journal={Journal of Ornithology},
  year={2007},
  volume={148},
  pages={601-610}
}
Previous studies show that, in birds, pineal melatonin is important for circadian rhythmicity, and circadian rhythms mediate photoperiodic effects. The effect of pinealectomy or melatonin administration in photoperiodic induction of testicular growth is not found in many bird species. This is inconsistent with the fact that avian pineal is a self-sustained circadian biological clock and decodes both the daily and annual photoperiodic information. Does this mean that the pineal clock in birds… CONTINUE READING

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