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Authors
Affiliations
1 Department of Zoology, Govt PG College Pratapgarh, Chittorgarh, Rajasthan, IN
2 Fish Endocrinology Laboratory, Department of Zoology, BHU, Varanasi-221 005, IN
Source
Journal of Endocrinology and Reproduction, Vol 7, No 1&2 (2003), Pagination: 62-63
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 (E2) and Gonadosomatic Index (GSI) during the early-preparatory and early prespawning phases of the annual reproductive cycle of the freshwater catfish, Clarias batrachus.