Intercropping of marine finfish in shrimp ponds: A maiden feasibility study

Divu, D and Mojjada, Suresh Kumar and Vase, Vinay Kumar and Sukhdhane, Kapil S and Abdul Azeez, P and Kumar, Rajan (2019) Intercropping of marine finfish in shrimp ponds: A maiden feasibility study. PLoS ONE, 14 (5). pp. 1-14.

PLoS ONE_2019_Divu D_Intercropping of marine finfish in shrimp ponds_pompano.pdf

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    Diversification of shrimp farming with marine finfish in a farmer participatory research model was attempted. The study is intended to find an economically viable finfish culture during the fallow period of shrimp farms. The Silver pompano, Trachinotus blochi iintercropped with Pacific white shrimp, Litopenaeus vannamei culture in coastal shrimp ponds was assessed for growth, survival, and economic viability. During the grow-out period of 100 days, fishes grew from 40.23 ± 1.40 g to 256.56 ± 1.08 g in weight and 12.83 ± 0.19 cm to 25.11 ± 0.09 cm in length. The daily weight gain (DWG) and daily length gain (DLG) were 2.16 g/day and 0.12 cm/day, respectively. Relative growth rate (RGR) and specific growth rate (SGR) recorded for weight was 537.80% in 100 days and 1.85% per day, respectively. Pompano has exhibited its sturdiness and adaptability to the land-based culture system as evidenced by an overall survival percentage of 89.8% including nursery and grow-out phases. The realized feed conversion ratio was 1.94. The culture period of 100 days is found to be enough to attain a desirable harvest size of 250 g. The projected production potential of the experimental demonstration farm of 4500 m2 water spread area for culture was 16.2 tonnes/cycle with a benefit-cost ratio (BCR) of 1.34 over operational cost. The present participatory trial empirically proved the viability of Silver pompano as an intercrop in coastal shrimp ponds. Thus, the introduction of Pompano in shrimp ponds is recommended and can be promoted for sustainable intercropping with shrimp farming along the Indian coast for improving people’s livelihoods.

    Item Type: Article
    Uncontrolled Keywords: Intercropping; marine finfish; shrimp ponds; maiden feasibility study
    Subjects: Aquaculture > Farming/Culture
    Marine Fisheries > Fisheries Management
    Aquaculture > Fisheries Management
    Divisions: CMFRI-Veraval
    Depositing User: Arun Surendran
    Date Deposited: 03 Jul 2019 10:46
    Last Modified: 05 Jun 2024 04:49

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