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Performance of Gift/monosex Tilapia in Cage Culture with Resource Poor Farmers

Dr. Md. Abdus Salam
Professor (Fishery Systems Specialist)
Department of Aquaculture, Bangladesh Agricultural University, Mymensingh-2202

Abstract/ Executive Summary:

Monosex tilapia gave higher yield (133.8 kg cage-1) than Gift tilapia (131.5 kg/cage). However the survival rate recorded was almost same in both the species. Higher return (gross return Tk 9205 and gross margin Tk 1640) generated from Gift than Monosex (gross return Tk9366 and gross margin Tk 1590). Between the two treatments, Monosex gave higher yield (69.47 kg cage^-1) compared to GIFT (64.99 kg cage^-1). However, the survival rate recorded was almost same in both the treatments. Higher income (gross return Tk 6947 and gross margin Tk 1847) generated from GIFT than Monosex (gross return Tk 6499 and gross margin Tk 1300). Therefore, GIFT tilapia is more suitable for cage culture in haor area.

Keywords: Growth and yield performance, GIFT/monosex tilapia, Cage culture Hoar area, Production of fish, Income of farmers

Location: Purbo Tethulia, a Haor Village of Netrakona District

Start Date: 00-00-2010

End Date: 00-00-2013

Program Area: Animal Health and Management

Commodity: Tilapia

Objectives:

To determine the growth and yield performance of GIFT/monosex tilapia
To determine the prospect of GIFT/Monosex tilapia in cage culture in the study area
To improve the production of fish and income of farmers

Methodology:

The experiment was conducted in the Purbo Tethulia in Mohanganj Upazila, Netrakona with monsex and GIFT tilapia in cage condition with four replications in 2010-11. Cage size was 6.33 m3 (216 ft3), made of nylon net and bamboo frame, and floated with the drum. Both Monosex and GIFT tilapia were stocked at the rate of 864 fry cage-1 on 16 August 2010. Ready pellet floating feed was given twice daily at the rate of 3-5% of the body weight of fish. Body weight measured weekly. Eight farmers in a group were involved for fish husbandry in the cages. The fishes were harvested on 15 November 2010. The same experiment was conducted in 2011-12 and 2012-13 for further refining the findings obtained in the above experiment for technology packaging for the farmers in the area.

Source of Information: SPGR Sub-Project Completion Report; LIVELIHOOD IMPROVEMENT OF FARMING COMMUNITY IN HAOR AREA THROUGH SYSTEM APPROACH; March 2010 to June 2013, Department of Agronomy, Bangladesh Agricultural University, Mymensingh. PIU-BARC, BARC Complex, Farmgate, Dhaka-1215,October 2013

Article Link (Online Journal):

Funding Source:

Budget:

Total Budget (Tk.) :

Achievement/Findings:

From the results of the experiment, it can be concluded that the cage culture in haor area, both treatments gave satisfactory results concerning fish yield and economic performance. But the yield and economic benefit of treatment 1 was higher than that of the treatment 2, Therefore, community based cage culture of tilapia in haor area may be a profitable venture during the inundation period.

Knowledge Management: Report/Proceedings