Photorefractoriness in the black-headed buntingEmberiza melanocephala: Possible involvement of the thyroid glands

@article{Devi2007PhotorefractorinessIT,
  title={Photorefractoriness in the black-headed buntingEmberiza melanocephala: Possible involvement of the thyroid glands},
  author={K. S. H. Pratima Devi and Priti Lal},
  journal={Journal of Biosciences},
  year={2007},
  volume={19},
  pages={467-477}
}
In the male black-headed bunting,Emberiza melanocephala, photostimulated testicular and/or body weight growth was followed by the regression. Transfer of photorefractory birds from 20L/4D to 23L/1D or from natural lighting (12–13 h) to 20L/4D failed to evoke testicular and/or body weight recrudescence. Thyroidectomy suppressed light-induced increase in the… CONTINUE READING