2003•Journal of Endocrinology & ReproductionRequires access

Temporal Relations amongst 5-Methoxyindolamines in Influencing the Gonadal Activity in the Freshwater Catflsh, Clarias batrachus

Sourindra Mohan Roy, Lai Bechan, T.P. Singh

Abstract

Effects of melatonin (MEL), 5 methoxytryptamine (5-MT), 5-methoxytryptophan (5-MTP) and 5-methoxytrptophol (5-MTL) were studied on the circulating levels of testosterone (T), estradiol 17β (E 2 ) and Gonadosomatic Index (GSI) during the early-preparatory and early prespawning phases of the annual reproductive cycle of the freshwater catfish, Clarias batrachus.

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Key concepts: Clarias, Gonadosomatic Index, Catfish, Reproductive cycle, Biology, Testosterone (patch), Melatonin, Freshwater fish