Evaluation of claw development in giant freshwater prawn, Macrobrachium rosenbergii (de Man, 1879)

Suresh Babu, P P and Rao, P Srinivasa and Biju, I F and Dharmadurai, C and Babitha Rani, A M (2018) Evaluation of claw development in giant freshwater prawn, Macrobrachium rosenbergii (de Man, 1879). Indian Journal of Fisheries, 65 (1). pp. 116-118.

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    Abstract

    Dynamics of claw development in Macrobrachium rosenbergii (de Man, 1879) was evaluated through monosex culture. The segregated males and females were stocked separately in two earthen ponds of 200 m2 area, at a density of 2.5 m-2 and reared for 3 months. Percentage contribution of claw weight to body weight (PCB) increased from 8.96 to 14.4% in the first month, but the change was minimal (14.4 to 17.19%) during the rest of the culture period. In order to delineate the relationship further, the data obtained was pooled together and classified into different classes based on the body weight (class interval 10 g). Interestingly, PCB in males decreased gradually upto 30 - 40 g weight class and then increased considerably for higher weight classes. But for females, the increase in PCB was marginal.

    Item Type: Article
    Uncontrolled Keywords: Body weight, Claw weight, Freshwater prawn, Harvest, Monosex
    Subjects: Crustacean Fisheries > Prawn and Prawn fisheries
    Divisions: CMFRI-Kozhikode
    Depositing User: Arun Surendran
    Date Deposited: 28 Apr 2018 08:38
    Last Modified: 28 Apr 2018 08:38
    URI: http://eprints.cmfri.org.in/id/eprint/12696

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