Melatonin counteracts the stimulatory effects of blinding or exposure to red light on reproduction in the skipper frog Rana cyanophlyctis.

@article{Joshi2000MelatoninCT,
  title={Melatonin counteracts the stimulatory effects of blinding or exposure to red light on reproduction in the skipper frog Rana cyanophlyctis.},
  author={Bhaskar N. Joshi and K Udaykumar},
  journal={General and comparative endocrinology},
  year={2000},
  volume={118 1},
  pages={90-5}
}
An earlier study reported that blinding or exposure to red light stimulates reproduction in R. cyanophlyctis. The present study investigates whether melatonin counteracted blinding- or red-light-induced ovarian stimulation. The study consisted of two experiments carried out during the prebreeding (March/April) and breeding phase (August/September) of the reproductive cycle of this species. In experiment 1, exposure to red light for 30 days increased (P<0.01) the gonadosomatic index (GSI) and… CONTINUE READING

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