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Development of giant freshwater prawn broodstock

Author

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  • Mohanta, K.N.

Abstract

The commercial success of a giant freshwater prawn (Macrobrachium rosenbergii) hatchery depends upon the uninterrupted supply of the desired quantity and quality of broodstock. This study was an attempt to develop the broodstock near a hatchery, to be used for seed production throughout the year. The hatchery produced seed were stocked at the rate of 3/m2 after initial pond preparation. The prawns were fed with a pelleted diet (3 mm size) prepared by using locally available feed ingredients. The seed had an initial weight of 0.30 g and attained an average weight of 92.0 g and 62.0 g in males and females, respectively, within 11 months. Berried prawns were observed starting from the month of June (5%), after six months of stocking, with a maximum in September (60%). The percentage of berried prawns increased from June to September when the water temperature was optimum and decreased from December when it got cold. The broodstock developed in this experiment could be used in the hatchery after six months of stocking, and brooders could be used to produce seed for two seasons before being sold in the market.

Suggested Citation

  • Mohanta, K.N., 2000. "Development of giant freshwater prawn broodstock," Naga, The WorldFish Center, vol. 23(3), pages 18-20.
    • Handle: RePEc:wfi:wfnaga:34980
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    File URL: http://hdl.handle.net/20.500.12348/2405
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    More about this item

    Keywords

    Prawn culture; Freshwater aquaculture; Brood stocks Macrobrachium rosenbergii;
    All these keywords.

    JEL classification:

    • Q00 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - General - - - General

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