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Growth Performance and Culture Economics of Mud Eel Semi-Intensively Cultured Under Varying Stocking Densities in Rain-fed Earthen Ponds

Growth Performance and Culture Economics of Mud Eel Semi-Intensively Cultured Under Varying Stocking Densities in Rain-fed Earthen Ponds

Shapon Kumar Bashak1, Alok Kumar Paul1, Md. Akhtar Hossain1, Usman Atique2,3*, Sonia Iqbal3, Md. Najim Uddin1, Asrafi Mohammad Farhaduzzaman4, Md. Mojibar Rahman5, Md. Shahanul Islam6

1Department of Fisheries, Faculty of Agriculture, University of Rajshahi, Rajshahi-6205, Bangladesh.
2Department of Bioscience and Biotechnology, Chungnam National University, South Korea.
3Department of Fisheries and Aquaculture, University of Veterinary and Animal Sciences, Lahore, Pakistan.
4Palli Karma-Sahayak Foundation (PKSF), Sher-e-Bangla Nagar, Dhaka-1207, Bangladesh.
5Department of Fisheries Management, Bangladesh Agricultural University, Mymensingh-2202, Bangladesh.
6Faculty of Food Engineering and Biotechnology, Tianjin University of Science and Technology, TEDA, Tianjin, China.
 
Corresponding Author: Usman Atique
physioatique@gmail.com

ABSTRACT

This investigation provides details on the production and culture economics of cuchia (Monopterus cuchia) in semi-intensive aquaculture ponds. The cuchia eel was reared in rainfed earthen fishponds and supplemented with poultry viscera in three different stocking densities of T1 (9880 cuchia/ha), T2 (14820 cuchia/ha) and T3 (19760 cuchia/ha). The results divulged that the physicochemical water quality factors varied significantly in different ponds. Similar was the case with the mean outcomes about the final body weight, net weight gain, specific growth rater (SGR), fish survival rate, and net yield. The final body weight varied significantly from 274.53 ± 1.93 in T3 to 349.40 ± 1.58 in T1, while the SGR difference was recorded from 0.45 ± 0.00 in T3 to 0.58 ± 0.01 in T1. However, the cuchia survival varied between 76.07 ± 0.75 in T3 to 85.14 ± 0.51 in T1 with the means difference of net yield as 5878.40 ± 40.93 from T1 to significantly higher (8251.90 ± 40.09) in T3. The economic indicators revealed that the net benefit and enormously varied from 741570.00 ± 510.26 (T1) to 1231500.00 ± 1559.20 (T3), while the cost-benefit ratio showed encouraging improvements from 0.17 ± 0.14 in T3 to 0.39 ± 0.01 in T1. Overall, lower stocking density yielded the most promising production and economic performance. The outcomes of this study provided valuable insights into the profitable production of eel fish meat. 
 
Novelty Statement | This study highlights that the mud eel can be reared at lower stocking densities in rain-fed earthen ponds. Furnishing cheaper shelter alternatives and enhancing habitat features may not alter the pond water quality instead gives higher yield and economic benefits.
 

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Pakistan Journal of Zoology

August

Vol. 53, Iss. 4, Pages 1201-1601

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