Concentrations of plasma melatonin and luteinizing hormone in domestic gilts reared under artificial long or short days.

@article{Paterson1992ConcentrationsOP,
  title={Concentrations of plasma melatonin and luteinizing hormone in domestic gilts reared under artificial long or short days.},
  author={A M Paterson and G B Martin and Annamaria Foldes and Carl A Maxwell and Georgina Pearce},
  journal={Journal of reproduction and fertility},
  year={1992},
  volume={94 1},
  pages={85-95}
}
Plasma melatonin concentrations were measured every 1-2 h over 24 h and plasma luteinizing hormone (LH) concentrations every 15 min over 12 h in domestic gilts reared under artificial light regimens that had previously been used to demonstrate photoperiodic effects on puberty. In Expt 1, the light regimens both commenced at 12 h light: 12 h dark (12L:12D) and either increased (long-day) or decreased (short-day) by 15 min/week until the long-day gilts were receiving 16L:8D and the short-day… CONTINUE READING

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