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Seasonal variation in photogonadal response of the tropical weaver bird

โœ Scribed by Sushama Singh; Asha Chandola


Book ID
113157767
Publisher
Elsevier Science
Year
1982
Tongue
English
Weight
559 KB
Volume
48
Category
Article
ISSN
0016-6480

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## Abstract Experiments were performed in order to provide information on the extent of involvement of daylength, if any, in the control of seasonal breeding in the tropical weaver bird. The reproductive cycle was completely abolished in both short and long photoperiods. The cycle was suppressed in

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## 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