Jump to Main Content
- Singh, Sudhi, et al. Show all 3 Authors
- Journal für Ornithologie 2007 v.148 no.2 pp. 601-610
- Ploceidae; androgens; beak; biological clocks; birds; circadian rhythm; color; luteinizing hormone; melatonin; photoperiod; photoperiodism; photosensitivity; pigmentation; pineal body; plumage; reproduction; seasonal variation; subtropics; testicular development
- ... 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 bo ...