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Effects of Stocking Larger-Sized Fish on Water Quality, Growth Performance, and the Economic Yield of Nile Tilapia ( Oreochromis niloticus L.) in Floating Cages

Author

Listed:
  • Md Shamsuddin

    (Department of Fisheries (DoF), Ministry of Fisheries and Livestock, Dhaka 1000, Bangladesh)

  • Mohammad Belal Hossain

    (Department of Fisheries and Marine Science, Noakhali Science and Technology University, Noakhali 3814, Bangladesh
    School of Engineering and Built Environment, Griffith University, Brisbane, QLD 4111, Australia)

  • Moshiur Rahman

    (Department of Fisheries (DoF), Ministry of Fisheries and Livestock, Dhaka 1000, Bangladesh)

  • Mst Salamun Kawla

    (Department of Fisheries Management, Bangladesh Agricultural University, Mymensingh 2202, Bangladesh)

  • Md. Farhan Tazim

    (Department of Fisheries (DoF), Ministry of Fisheries and Livestock, Dhaka 1000, Bangladesh)

  • Mohammed Fahad Albeshr

    (Department of Zoology, College of Science, King Saud University, P.O. Box 2455, Riyadh 11451, Saudi Arabia)

  • Takaomi Arai

    (Environmental and Life Sciences Programme, Faculty of Science, University Brunei Darussalam, Jala Tungku Link, Gadong BE 1410, Brunei)

Abstract

Earlier research has mostly focused on the impacts of stocking density on fish growth, yield, and survival rate; however, knowledge of the effects of stocking larger-sized fish, particularly Nile Tilapia, is lacking. This type of research is critically important for increasing food security, achieving sustainable goals, and facing the challenges of climate change in the near future. Therefore, we investigated the effects of initial stocking body sizes of Nile Tilapia ( Oreochromis niloticus ) on water quality, growth performance, and economic yield in tropical riverine cages for 120 days in two culture cycles. Nile Tilapia of three different body sizes (34.06 ± 0.22 g, 10.98 ± 0.09 g, and 5.47 ± 0.04 for the first cycle and 33.85 ± 0.01 g, 11.07 ± 0.05 g, and 5.38 ± 0.06 g for the second cycle, indicated as T1, T2, and T3) were stocked in the culture treatments where unique stocking density and feed rations were maintained. The results revealed that water quality parameters did not differ significantly ( p > 0.5) and were within a suitable range for Nile Tilapia culture. Treatments with larger-sized fish demonstrated a higher growth performance. The stocking fish size of 34.14–34.71 g was found to be the best among the three treatments regarding growth performance and economic return. As a result, except for T1 and T2 at a rural site and T1 at a semi-urban site, all of the treatments had negative allometry (b < 3.0), indicating that larger-sized fish and the rural site of the river are more suitable for cage culture. The rural site was found to be more suitable, possibly due to less variation of water parameters, more natural foods, and less pollution. The cages with larger-sized fish stocked had a higher net present value (NPV); internal rate of return (IRR); benefit–cost ratio (BCR); and rate on return (ROI), indicating that cage culture with larger-sized fish stocked is economically viable in the riverine system. Therefore, stocking the larger-sized fish (T1) and rural site are more suitable for cage culture.

Suggested Citation

  • Md Shamsuddin & Mohammad Belal Hossain & Moshiur Rahman & Mst Salamun Kawla & Md. Farhan Tazim & Mohammed Fahad Albeshr & Takaomi Arai, 2022. "Effects of Stocking Larger-Sized Fish on Water Quality, Growth Performance, and the Economic Yield of Nile Tilapia ( Oreochromis niloticus L.) in Floating Cages," Agriculture, MDPI, vol. 12(7), pages 1-19, June.
  • Handle: RePEc:gam:jagris:v:12:y:2022:i:7:p:942-:d:851491
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    References listed on IDEAS

    as
    1. Mbowa, Swaibu & Odokonyero, Tonny & Munyaho, Anthony, 2017. "Harnessing Floating Cage Technology to Increase Fish Production in Uganda," Research Series 262886, Economic Policy Research Centre (EPRC).
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    Cited by:

    1. Md Shamsuddin & Mohammad Belal Hossain & Moshiur Rahman & Md. Farhan Tazim & Md. Romjan Ali & Mst Salamun Kawla & Tajmahal Begum & Mohammed Fahad Albeshr & Takaomi Arai, 2023. "Impact of COVID-19 Pandemic on Fisheries Sector and Actions Taken to Cope with the Situation: A Case Study from a Top Fish-Producing Country," Sustainability, MDPI, vol. 15(4), pages 1-17, February.
    2. Mohammed S. Al-Zahrani & Hesham A. Hassanien & Fawaz W. Alsaade & Heider A. M. Wahsheh, 2023. "Effect of Stocking Density on Sustainable Growth Performance and Water Quality of Nile Tilapia-Spinach in NFT Aquaponic System," Sustainability, MDPI, vol. 15(8), pages 1-12, April.

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