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Environmental Issues of Emerging Pangas (pangasianodon Hypophthalmus) Farming in Bangladesh

I. Z. Anka
Chittagong Veterinary and Animal Sciences University, Chittagong-4225, Bangladesh

M. A. R. Faruk
Department of Aquaculture, Bangladesh Agricultural University, Mymensingh-2202, Bangladesh

M. M. Hasan
Department of Aquaculture, Bangladesh Agricultural University, Mymensingh-2202, Bangladesh

M. A. K. Azad
Department of Fisheries, Ministry of Fisheries and Livestock, Government of the People’s Republic of Bangladesh

Abstract/ Executive Summary:

Pangas farming is one of the fastest growing types of aquaculture in Bangladesh. A study was conducted to understand environmental issues of emerging pangas farming in Bangladesh. Data were collected through questionnaire interview and focus group discussion (FGD) with pangas farmers. All together 40 farmers were interviewed and 6 FGD sessions were conducted in Muktagacha, Trishal and Valuka Upazila of Mymensingh district. Positive and negative aspects of environmental integrity were compared. Potential environmental impacts of pangas farming were assessed using certain parameters like land use pattern, water quality management and eutrophication, pond waste management, use of chemicals and antibiotics, and escape of fish. It was found that conversion of agricultural land and beels into pangas pond were remarkable which leads to the quick loss of agricultural land that reduces rice production. The unutilized feed portion accumulated in pangas ponds produced huge pond bottom waste and caused water quality deterioration. Eutrophication was found as a common problem along with discharge of highly nutrient rich water in the paddy field. Management of pond bottom waste was found quite poor though it has some good use in vegetable production in the pond dyke. Indiscriminate use of chemicals and antibiotics had an adverse impact on the environment and human health.

Keywords: Pangas farming, Environmental issues, Water quality management

Location: Bhaluka, Trishal and Muktagacha Upazila under Mymensingh, Bangladesh

Start Date:

End Date:

Program Area: Animal Health and Management

Commodity: Pangus

Objectives:

To understand environmental issues such as general pangas farming characteristics, culture practices, duration, land use, water source, stocking management, discharge of water, water quality, water management and use of chemicals of emerging pangas farming in Bangladesh.

Methodology:

The study was focused in Bhaluka, Trishal and Muktagacha Upazila under Mymensingh district where pangas farming are clustered. The research has been conducted with commercial pangas farmers involved in the farming to generate income. A number of 40 pangas farmers were the target group of which 10 from Muktagacha, 15 from Trishal and 15 from Valuka. Data was collected through questionnaire survey and participatory rural appraisal (PRA). The questionnaire was focused mainly on general pangas farming characteristics, culture practices, duration, land use, water source, stocking management, discharge of water, water quality, water management and use of chemicals. Participatory approach was used for the entire study. PRA tools such as focus group discussion (FDG) were conducted with pangas framers. Six FGD were conducted to get the important information about the environmental issues from three selected study areas.

Source of Information: Progress. Agric. 24(1 & 2): 159 – 170, 2013 ISSN 1017-8139

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

Pangas farming with the rapid expansation and intensification, have raised environmental problems as a great concern in recent years. The mitigation of all the negative aspects is also essential for ensuring the better culture practices. It is essential to create awareness among pangas farmers about environment to develop their skills to mitigate such problems for sustainable pangas farming of Bangladesh. Further research work is needed for more specification of the causes of the identified problems.

Knowledge Management: Journal