Identification and partial characterization of Olyra longicaudata(McClelland,…

This study aims at immunochemical characterization of plasma vitellogenin (VTG), development of anheterlogous VTG ELISA and to relate seasonal variation in plasma VTG and estradiol-17 (E2) levels withovarian growth (gonadosomatic index, GSI) in Olyra longicaudata (McClelland, 1842), a rare hill-streamcatfish endemic to North East India. On native PAGE, plasma from E2-injected male, vitellogeni…