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Feasibility of Indigenous Yellowtail Catfish Pangasius Pangasius Culture in Earthen Ponds

Tasnuba Hasin
Department of Fisheries Management, Bangladesh Agricultural University, Mymensingh-2202, Bangladesh

Harunur Rashid
Department of Fisheries Management, Bangladesh Agricultural University, Mymensingh-2202, Bangladesh

Muhammad Shahidul Haq
Department of Fisheries Management, Bangladesh Agricultural University, Mymensingh-2202, Bangladesh

Abstract/ Executive Summary:

The feasibility of aquaculture of the critically endangered commercially important native Yellowtail catfish (Pangasius pangasius) was evaluated on the basis of comparative production performance between striped catfish (Pangasianodon hypophthalmus) and the experimental species following existing pangasiid culture system in Bangladesh. The study focused on the successful domestication and aquaculture of this high valued native species to overcome the financial losses in striped catfish enterprise due to repeated price fluctuation in recent years offering better profit. The results indicated that the growth performance of striped catfish was higher than Yellowtail; however, it revealed that Yellowtail culture is more profitable than striped catfish despite of lower growth rate considering the present market price. Average body weight increased from 17.82 to 151.11 and 18.09 to 396.67 g, specific growth rates were 1.19 and 1.71% per day and survival rate were 94.73 and 98.02% for Yellowtail and Striped catfish, respectively. The results of cost-benefit analyses showed that yields were 5598.67±41.17 and 14696.50±71.30 kg/ha; production costs were Tk.570247.10±4388.96 and Tk.949314.24±5242.69/ha and net profits were Tk.829244.87±7228.87 and Tk.5804.50±926.94/ha for Yellowtail and Striped catfish, respectively.

Keywords: Yellowtail catfish, Striped catfish, Earthen pond.

Location: Faculty of Fisheries, Bangladesh Agricultural University, Mymensingh

Start Date: 00-05-2011

End Date: 00-11-2011

Program Area: Animal Health and Management

Commodity: Carp fish

Objectives:

1. To evaluate whether domesticated native Yellowtail has better production and profit potential in comparison to the exotic one.

Methodology:

The study was conducted during May to November 2011 at the Faculty of Fisheries, Bangladesh Agricultural University, Mymensingh. Six earthen ponds of 2 decimal with an average depth of 1.5 m each, prepared by conventional liming and fertilization, were used. Three ponds were stocked with fry of wild Yellowtail (P. pangasius) of average 17.82 g (±0.120) in weight and 13.29 cm (±0.137) in length while the other three with hatchery produced Striped catfish fry (P. hypophthalmus) of average weight 18.09 g (±0.075) and length 13.27 cm (±0.124). Fishes were fed daily with commercial pellet at the rate of 4-6% of the fish biomass in the pond. Random sampling was done in a monthly basis for the determination of length and weight. Based on the data, biomass of the fish was estimated and feeding was adjusted accordingly. Water quality parameters were recorded at a monthly interval. At the end of the six months grow-out period, the ponds were harvested by seine netting. The gross production per unit area, specific growth rates and survival rates were calculated.

Source of Information: J. Agrofor. Environ. 6 (1): 9-12, 2012; ISSN 1995-6983

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

The results indicated that the growth performance of striped catfish was higher than Yellowtail; however, it revealed that Yellowtail culture is more profitable than striped catfish despite of lower growth rate considering the present market price. Average body weight increased from 17.82 to 151.11 and 18.09 to 396.67 g, specific growth rates were 1.19 and 1.71% per day and survival rate were 94.73 and 98.02% for Yellowtail and Striped catfish, respectively. The results of cost-benefit analyses showed that yields were 5598.67±41.17 and 14696.50±71.30 kg/ha; production costs were Tk.570247.10±4388.96 and Tk.949314.24±5242.69/ha and net profits were Tk.829244.87±7228.87 and Tk.5804.50±926.94/ha for Yellowtail and Striped catfish, respectively.

Knowledge Management: Journal