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Effect of Stocking Density on Growth Performance and the Survival of Golden Mahseer, Tor putitora (Hamilton) Fry | OMICS International| Abstract
ISSN: 2332-2608

Journal of Fisheries & Livestock Production
Open Access

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  • Research Article   
  • J Fisheries Livest Prod,
  • DOI: 10.4172/2332-2608.1000313

Effect of Stocking Density on Growth Performance and the Survival of Golden Mahseer, Tor putitora (Hamilton) Fry

Golam Sajed Riar1* and Nur A Raushon2
1Head Quarter, Bangladesh Fisheries Research Institute, Bangladesh
2Freshwater Station, Bangladesh Fisheries Research Institute, Bangladesh
*Corresponding Author : Golam Sajed Riar, Head Quarter, Bangladesh Fisheries Research Institute, Bangladesh, Tel: +88 01722471855, Email: [email protected]

Received Date: Aug 28, 2021 / Accepted Date: Sep 14, 2021 / Published Date: Sep 21, 2021

Abstract

Growth performance and survival of Tor putitora fry under different stocking densities were evaluated nursery management system. The experimental period was 10 weeks from 31 December to 10 March 2019. The experiment was carried out in nine earthen ponds of 0.04 ha each under three treatments with three replications. Thirty days old fry were stocked at the rate of 1.0 × 105/ha was designated as treatment-1 (T1), 1.5 × 105/ha as treatment- 2 (T2) and 2.0 × 105/ha as treatment-3 (T3), respectively. Fry were fed with commercially available nursery feed containing 32% crude protein. It was observed that, lower stocking density showed highest daily weight gain in T1 (growth 0.066 ± 0.006 g/day) followed by higher stocking density in T2 (growth 0.044 ± 0.004 g/day) and T3 (growth 0.024 ± 0.003 g/day), respectively. It is also noticed that, the lower stocking showed the highest survival rate (79.66 ± 4.34%) than the other two treatments (66.97 ± 3.67 and 54.67 ± 3.12%). The values of different water quality parameters were within the optimum ranges for the rearing of carp fry. Water quality parameters did not show significant variations in the experimental ponds under different stocking densities. Among the three stocking densities lower stocking density (T1) showed the best result compare with the other two higher stocking densities.

Keywords: Tor putitora; Nursing system; Stocking density; Growth performance; Survival

Citation: Riar GS, Raushon NA (2021) Effect of Stocking Density on Growth Performance and the Survival of Golden Mahseer, Tor putitora (Hamilton) Fry. J Fisheries Livest Prod 9: 313. Doi: 10.4172/2332-2608.1000313

Copyright: © 2021 Riar GS, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

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