Scoto/photo‐periodic responses of a sub‐tropical finch (Spotted munia) in relation to seasonal breeding cycle

Chandola, Asha ; Pavnaskar, J. ; Thapliyal, J. P. (1975) Scoto/photo‐periodic responses of a sub‐tropical finch (Spotted munia) in relation to seasonal breeding cycle Journal of Interdisiplinary Cycle Research, 6 (3). pp. 189-202. ISSN 0022-1945

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Official URL: http://doi.org/10.1080/09291017509359484

Related URL: http://dx.doi.org/10.1080/09291017509359484

Abstract

Effects of continuous light and dark periods and long and ultrashort photoperiods on the gonadal function of a subtropical finch, Spotted munia, hitherto considered “non‐photosensitive”, were studied. This bird seems to be unique in that while gametogenesis and hormone production are stimulated by the continuous or long scoto periods the endogenous rhythm of reproduction continues in constant 24hr or 15hr long daily photoperiod.

Item Type:Article
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