Photo bioreactor-based microalgae culture for mariculture applications

Xavier, Biji and Balla, Vamsi and Venkatesh, R P (2023) Photo bioreactor-based microalgae culture for mariculture applications. In: Training Manual on Livefeed culture techniques for Mariculture applications. CMFRI Training Manual Series No.36/2023 . ICAR-Central Marine Fisheries Research Institute, Visakhapatnam, pp. 79-94.

CMFRI Training Manual No. 36_2023_Vamsi Balla.pdf

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    Microalgae are considered as a valuable organic resource with a potential application in finfish, shellfish and molluscan culture. Being, rich source of essential fatty acids (EPA and DHA), the microalgae have very important role even in human nutrition. Microalgae culture forms an inevitable component in aquaculture venture especially seed production of either finfishes or shell fishes. Cultivated microalgae have long been integral to the hatchery production of many farmed finfish, shellfish and other commercially important aquaculture species. Molluscs like oysters, mussels and clams filter them from the sea water in all stages of life. Rotifers and brine shrimps also ingest algae, and are then themselves used as food for larval fish and prawns. The shrimp hatcheries use micro algae as food for the early larvae and later for the water quality maintenance. In many hatchery systems algae are added to the water containing larvae to improve the ‘quality’ of water as green water systems. The production of live algae is very critical in the successful hatchery management. In the natural environment, the larvae feed on any minute plant components which are readily available to them. But in a hatchery, the feed which are acceptable to the larvae for their growth and further development have to be identified and isolated. In the early critical stages of the rearing larvae of fin fishes and shellfishes, the phyto-flagellates (species of Isochrysis, Pavlova, Dicrateria, Chromulina and Tetraselmis) and other nanoplankters (species of Chlorella and Synechocystis) form the basic food. But in the post larval stages of crustaceans and spat or juvenile stages of bivalves, the diatoms (species of Chaetoceros, Skeletonema and Thalassiosira) form the primary food. Hence the culture of micro algae is an essential prerequisite for the rearing operations of economically important cultivable organisms in a hatchery system.

    Item Type: Book Section
    Uncontrolled Keywords: Algae; Micro algae; mariculture
    Subjects: Biochemistry > Bioactive compounds
    Aquaculture > Mariculture
    Aquaculture > Live Feed Culture
    Divisions: CMFRI-Visakhapatnam
    Depositing User: Arun Surendran
    Date Deposited: 03 Jan 2024 05:06
    Last Modified: 03 Jan 2024 05:06

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