Studies on the remote setting of two commercially important Indian bivalves

Unnikrishnan, U and Kripa, V and Mohamed, K S and Velayudhan, T S (2001) Studies on the remote setting of two commercially important Indian bivalves. In: Perspectives in Mariculture. The Marine Biological Association of India, Cochin, pp. 343-356.

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    Abstract

    The concept of remote setting, which involves transporting bivalve larvae, under moist condition and at 5- 10°C lower than the atmospheric temperture, to distant areas for settlement was tried for thejirst time on two species of Indian bivalves. About 68% of the 'pediveliger' larvae of Indian backwater oyster, Crassostrea madrasensis which were transported at 27±1 °C for 18 hours metamorphosed to settle as spat The post-set survived rates were 66.2% to 73.4% in 30ppt and 71.3% to 87.5% in 15 ppt salinity. Higher settlement rate and post-set swvival was observed in larvae transported under low temperature than in atmospheric temperature. Transportation of late 'umbo' larvae of Indian pearl oyster Pinctada fucata gave high survival rate, but failed to metamorphose as spat

    Item Type: Book Section
    Uncontrolled Keywords: remote setting; bivalves
    Subjects: Aquaculture > Mariculture
    Molluscan Fisheries > Edible oyster
    Molluscan Fisheries
    Divisions: CMFRI-Kochi > Marine Capture > Molluscan Fisheries Division
    Subject Area > CMFRI > CMFRI-Kochi > Marine Capture > Molluscan Fisheries Division
    CMFRI-Kochi > Marine Capture > Molluscan Fisheries Division
    Subject Area > CMFRI-Kochi > Marine Capture > Molluscan Fisheries Division
    Depositing User: Mr. Arun Surendran
    Date Deposited: 19 Aug 2010 07:27
    Last Modified: 09 Sep 2015 15:17
    URI: http://eprints.cmfri.org.in/id/eprint/2453

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