FT Vol.47(1)

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Biochemical Changes during Gonadal Maturation in Portunus pelagicus (Linnaeus, 1758)
(Society of Fisheries Technologists (India)Cochin, 2010) Ravi, Raghunath; Manisseri, Mary K.
The analysis of biochemical constituents during different maturity stages of P. pelagicus showed changes in the accumulation of organic reserves in the ovary, hepatopancreas and haemolymph. Considerable reduction was noticed in the moisture content, which could be due to the continuous deposition of organic matter in hepatic and ovarian tissuesduring maturation. The increase of the biochemical constituents in the haemolymph with the progress of vitellogenesis, indicates its role as a carrier of nutrients between different tissues. The mobilization of protein from the hepatopancreas to the ovary during maturation was demonstrated by a steady decrease of the same in the hepatopancreas. There was a gradual increase of protein in the ovary which reached the maximum at the mature stage