Cultch preference and growth of remote-set spat of the backwater oyster, Crassostrea madrasensis, in varied salinities

Kripa, V and Radhakrishnan, P and Sreejaya, R and Swarnalatha, P and Ramachandran, N P and Anasu Koya, A and Mohamed, K S and Muthiah, P (2006) Cultch preference and growth of remote-set spat of the backwater oyster, Crassostrea madrasensis, in varied salinities. Marine Fisheries Information Service, Technical and Extension Series, 190. pp. 5-8.

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Abstract

Remote setting is the method of setting larvae of bivalves in distant areas, away from the hatchery after transporting eyed larvae (pediveliger) in cool and moist condition without water. The advantages are that hatcheries need not be established near the farms, transportation charges for cultch with spat can be completely eliminated and loss due to transportation stress can be minimized. In India, the first success in remote setting of edible oyster larvae has been done at CMFRI in 2000 when larvae from east coast were set at Cochin. This study indicated the scope for developing this technique for edible oyster, Crassostrea madrasensis. In the present study remote setting was done and simultaneously the cultuch preference and the growth of the spat in different salinities were studied.

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