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Standardizing Pen Culture of Small Indigenous Fish Labeo bata in the Tropical Floodplain Wetland of the North Eastern Region, India: A Step towards Sustainable Fisheries Management

Author

Listed:
  • Simanku Borah

    (ICAR—Central Inland Fisheries Research Institute Regional Centre, Guwahati 781006, India)

  • Basanta Kumar Das

    (ICAR—Central Inland Fisheries Research Institute, Kolkata 700120, India)

  • Birendra Kumar Bhattacharjya

    (ICAR—Central Inland Fisheries Research Institute Regional Centre, Guwahati 781006, India)

  • Gunjan Karnatak

    (ICAR—Central Inland Fisheries Research Institute, Kolkata 700120, India)

  • Anil Kumar Yadav

    (ICAR—Central Inland Fisheries Research Institute Regional Centre, Guwahati 781006, India)

  • Arun Pandit

    (ICAR—Central Inland Fisheries Research Institute, Kolkata 700120, India)

  • Pranaya Kumar Parida

    (ICAR—Central Inland Fisheries Research Institute, Kolkata 700120, India)

  • Aparna Roy

    (ICAR—Central Inland Fisheries Research Institute, Kolkata 700120, India)

  • Amiya Kumar Sahoo

    (ICAR—Central Inland Fisheries Research Institute, Kolkata 700120, India)

  • Bijay Kumar Behera

    (ICAR—Central Inland Fisheries Research Institute, Kolkata 700120, India)

  • Archan Kanti Das

    (ICAR—Central Inland Fisheries Research Institute, Kolkata 700120, India)

  • Nilmani Rabha

    (ICAR—Central Inland Fisheries Research Institute Regional Centre, Guwahati 781006, India)

  • Priyanka Priyadarshini

    (ICAR—Central Inland Fisheries Research Institute Regional Centre, Guwahati 781006, India)

Abstract

Labeo bata fry were reared in high-density polyethylene (HDPE) pens at different stocking densities to determine growth, survival, feed utilization efficiency and economics in Borkona beel, Barpeta, Assam. Pens (500 m 2 each) were stocked with fry at four stocking densities, 3 (SD3), 5 (SD5), 7 (SD7) and 9 (SD9) no. m −2 in triplicates. Feeding was performed twice a day at a rate of 3–5% body weight with floating pelleted feed containing 28% crude protein. Fish grew from 2.38 ± 0.30 g to 82.78 ± 3.18, 75.94 ± 0.89, 71.94 ± 0.89 and 61.81 ± 3.35 g at stocking densities of 3, 5, 7 and 9 no. m −2 , respectively. Weight gain per cent ranged from 2491.85 ± 140.56 to 3371.33 ± 133.16 and specific growth rate from 1.41 ± 0.02 to 1.55 ± 0.02, both of which decreased with increasing stocking density. The net and gross yields increased with increasing stocking density and were highest at SD9. The benefit-cost ratio was maximum at SD7 (1.42), followed by SD9 (1.41). Post-pen culture, the monthly income of fishers increased by 6.10% (SD3) to 40.50% (SD9). Significant differences ( p > 0.05) in water quality parameters were not observed between treatments (inside pens) and reference site (outside pen at 10 m distance). Weight gain exhibited a significant positive correlation with temperature (r = 0.92; p = 0.029) and alkalinity (r = 0.95; p = 0.014). The present study can provide impetus towards species diversification in pen enclosures, income enhancement of small-scale wetland fishers and sustainable ecosystem-based floodplain wetland fisheries management.

Suggested Citation

  • Simanku Borah & Basanta Kumar Das & Birendra Kumar Bhattacharjya & Gunjan Karnatak & Anil Kumar Yadav & Arun Pandit & Pranaya Kumar Parida & Aparna Roy & Amiya Kumar Sahoo & Bijay Kumar Behera & Archa, 2023. "Standardizing Pen Culture of Small Indigenous Fish Labeo bata in the Tropical Floodplain Wetland of the North Eastern Region, India: A Step towards Sustainable Fisheries Management," Sustainability, MDPI, vol. 15(5), pages 1-14, March.
    • Handle: RePEc:gam:jsusta:v:15:y:2023:i:5:p:4423-:d:1085046
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    References listed on IDEAS

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    1. A. B. M. Mahfuzul Haque & Madan Mohan Dey, 2017. "Impacts of community-based fish culture in seasonal floodplains on income, food security and employment in Bangladesh," Food Security: The Science, Sociology and Economics of Food Production and Access to Food, Springer;The International Society for Plant Pathology, vol. 9(1), pages 25-38, February.
    2. Kijima, Yoko & Otsuka, Keijiro & Sserunkuuma, Dick, 2011. "An Inquiry into Constraints on a Green Revolution in Sub-Saharan Africa: The Case of NERICA Rice in Uganda," World Development, Elsevier, vol. 39(1), pages 77-86, January.
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