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Culture Practices and Health Management Issues in Selected Aquafarms of Rajbari, Bangladesh: a Preliminary Study

Z. M. Nadia
Department of Aquatic Animal Health Management, Sher-e-Bangla Agricultural University, Dhaka 1207, Bangladesh

P. Roy
Department of Aquaculture, Bangladesh Agricultural University, Mymensingh 2202, Bangladesh

T. Rahman
Department of Aquaculture, Bangladesh Agricultural University, Mymensingh 2202, Bangladesh

Abstract/ Executive Summary:

The current study was conducted to determine the existing fish culture systems and health management practices in the selected aquafarms of Rajbari District, Bangladesh. Data were collected from 50 fish farmers from October 2019 to February 2020 using questionnaire interview, focus group discussion and crosscheck interview. It was found that most of the aqua farmers had 11 to 15 years’ experience of fish farming and more than 30% had their own ponds. The farmers used to prepare ponds for stocking by several steps like pond drying, bottom mud removal, dyke construction, liming, fertilizer application, and finally stocking. Only 20% fish farmers stocked single fish species like pangas and tilapia, whereas other used to stock two to eight types fish species. Most of the fish farmers sell the harvested fishes either in the local or in city markets. Major fish health problems in the study area were infectious and non-infectious diseases occurred due to bacteria, virus, fungus, parasites, unfavorable water quality and malnutrition. Majority (94%) of the farmers did not have water quality measurement tools. However, the major health problems of fish were ranked by the farmers on the basis of critical condition where fish disease, poor water quality, fish killing as a part of enmity, entrance of wild animal and hamper due to fish eating birds were ranked as 1st, 2nd, 3rd, 4th and 5th utmost constraints, respectively. Forty-four percent and 20% respondents received training on different aquaculture techniques from Government and nongovernment organizations, respectively. While during disease outbreak, most of them received technical assistance from the culture fellows. The fish farmers of the study area were not aware of good aquaculture practice maintaining biosecurity. The present study revealed that there is a lack of scientific knowledge of the fish farmers in the studied areas which demands further improvements of the existing condition.

Keywords: Aquaculture, Fish disease, Pond, Rajbari, Water quality

Location: Two sub-districts of Rajbari namely, Rajbari Sadar and Pangsha, Bangladesh

Start Date: 00-10-2019

End Date: 00-02-2020

Program Area: Animal Health and Management

Commodity: Fish, Diseases, Water quality

Objectives:

To determine the existing fish culture system with health management practices of the fish farmers located in selected upazilas under Rajbari District.

Methodology:

Two sub-districts of Rajbari namely, Rajbari Sadar and Pangsha were selected for the present study for five months from October 2019 to February 2020. Fundamental data were collected using questionnaire interviews, focus group discussion (FGD) and crosscheck interviews with key informants (KI) such as Upazila Fisheries Officer (UFO) and NGOs staffs. A total of 50 fish farmers; 25 from Rajbari Sadar and 25 from Pangsha were randomly chosen for interview. Six FGD sessions of the participants were performed where each group contained 7 to 9 members. The questionnaire was based mainly on farming experience, manpower, steps of fish culture, fish health management practices, fish health problems, seasonality of diseases, clinical signs of fish diseases, and source of technical assistance of the fish farmers. Moreover, Priority Index (P.I.) of major health problems was identified to understand the degree of the problems faced by the participants. The P.I. of constraints is explained below according to Roy and Basu (2020) and Mozahid et al. (2018). P.I.= ∑ s_if_i /n, (0≤P.I.≤1). Where, P.I. = Priority Index S_i = Scale value of ith priority F_i = Frequency of ith priority N = Total number of observations In the study, the scale value of P.I. ranged from 1 to 0 with priority 1st to 5th, correspondingly. Collected data on aquaculture system were analyzed using Microsoft Excel 2013 and SPSS Software (version 20.00) and results were presented in textual, tabular and graphical format. Moreover, the geographical location of the markets was pointed and presented using ArcGIS software (Version 10.5).

Source of Information: http://journal.safebd.org/index.php/jafe; Vol 2 No 1 March 2021 Pages 109-116 e-ISSN 2708-5694

Article Link (Online Journal): http://doi.org/10.47440/JAFE.2021.2119

Funding Source:

Budget:

Total Budget (Tk.) :

Achievement/Findings:

The present investigation provided recent status of fish culture and health management practices in some aquafarms of Rajbari District which reflects traditional pattern of aquaculture practice in the studied areas. Due to knowledge gap, farmers usually try to solve the farm management related problems either based on their own experience or taking minimal assistance from others. Further improvements of farmer’s knowledge on modern and scientific fish farming through training and workshops is highly recommended.

Knowledge Management: Journal