Influence of Micro-algae Food on Growth of Larvae and Spat-set in Pearl Oyster Pinctada fucata (Gould)

Dharmaraj, S and Shanmugasundaram, K (1996) Influence of Micro-algae Food on Growth of Larvae and Spat-set in Pearl Oyster Pinctada fucata (Gould). In: The Fourth Indian Fisheries Forum, Proceedings, 24-28 November, 1996, Kochi.

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    Abstract

    Optimum concentration of Isochrysis galbana az food was 4000-5000 cells per day per larva of Pinctuclufrrcutu (Gould). Acceptability of Puvlovu luthrri, Chromrrlbiu frribiqetui.~. Dicruteria sp. and D~tnaliellrrs p. was tested. The effect of algal food on growth and spatset determined. Increase in growth was recorded in Pavlova fed larvae than in I. galbana. Larvae fed with Dunaliella sp. did not survive beyond 13 days. Isochrysis and Chromulina at I : 1 ratio showed better growth. Larvae fed with Dicrateria showed poor growth and higher spatset when fed singly or in conibination with Isochrysis.In I:l:l :combination of Isochrysis: Pavlova: Chromulina larval growth was better than that in IIsochrysis: Pavlova: Dicrateria combination.

    Item Type: Conference or Workshop Item (Paper)
    Uncontrolled Keywords: Micro-algae; Food; Growth; Larvae; Spat-set; Pearl Oyster; Pinctada fucata
    Subjects: Molluscan Fisheries > Pearl oyster
    Divisions: CMFRI-Kochi > Marine Capture > Molluscan Fisheries
    Subject Area > CMFRI Brochures > CMFRI-Kochi > Marine Capture > Molluscan Fisheries
    CMFRI-Kochi > Marine Capture > Molluscan Fisheries
    Depositing User: Users 171 not found.
    Date Deposited: 30 Oct 2010 10:49
    Last Modified: 09 Sep 2015 15:28
    URI: http://eprints.cmfri.org.in/id/eprint/4587

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