The role of photoperiodism in the seasonal breeding of tropical African ungulates
โ Scribed by C. A. SPINAGE
- Book ID
- 115076313
- Publisher
- John Wiley and Sons
- Year
- 1973
- Tongue
- English
- Weight
- 945 KB
- Volume
- 3
- Category
- Article
- ISSN
- 0305-1838
No coin nor oath required. For personal study only.
๐ SIMILAR VOLUMES
## Abstract Termination of seasonal breeding in the photoperiodic weaver bird does not occur as a result of photorefractoriness, and yet, in nature birds become refractory. Earlier studies indicated a seasonal variation in photosensitivity of this bird during the reproductive cycle and it was sugge
Seasonal gonadal regression in the photoperiodic weaver finch Ploceus philippinus occurs in the late summer despite the presence of long days. Earlier studies indicated a decline in photosensitivity in late summer, which might explain the failure of birds to respond to long days, resulting in gonada