Aquaculture practices among the fish farmers of Bhaluka upazila, Mymensingh - Scenario from a decade and half ago

Md Musleh Uddin Hasan, M. Zaman, Md. Niamul Naser
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Abstract

Mymensingh is the top inland aquaculture producer in Bangladesh. This study was undertaken to identify the barriers to develop earthen pond fish farming entrepreneurship in Bhaluka Upazila, Mymensingh about a decade and half ago when the fish culture revolution has been started. In this study, fish farmers were selected randomly from three villages that followed mono or composite-fish culture in earthen pond environment. More than 14 species being cultured of which half of them were exotic. The feasibility of pond fish culture was found viable due to proper communication with Dhaka wholesale fish market along with other destinations. In addition, hatchery sources of fish fry and fingerling, access to fish feed and financial support were further encouraged farming these perishable items. Education level of farmers, lack of technical knowledge of fish culture, poor extension service and lack of information about the pond management were identified as the potential barriers for the improvement of fish farming entrepreneurship. The higher stocking density as well as poor water quality conditions were facilitated to lead lower fish production and profit. The small-scale farmers (47.79%) with higher stocking density had lower profit (Tk 1.44 /fish) and large-scale farmers (19.85%) with lower stocking density showed higher profit margin of Tk 3.53 /fish. Therefore, this study suggests the optimal fish stocking density in earthen pond fish farming system which could be augment the fish production and enhanced profitability. Dhaka Univ. J. Biol. Sci. 30(3 CSI): 499-509, 2022 (June)
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Mymensingh Bhaluka upazila渔民的水产养殖实践——15年前的情景
Mymensingh是孟加拉国最大的内陆水产养殖生产国。这项研究是在大约15年前,当养鱼革命开始时,在Mymensingh的Bhaluka Upazila进行的,目的是确定发展土塘养鱼创业的障碍。在本研究中,随机选取3个村的养鱼户,采用土塘环境下的单一或复合养鱼方式。栽培品种超过14种,其中一半为外来品种。由于与达卡鱼类批发市场以及其他目的地进行了适当的沟通,池塘养鱼的可行性被认为是可行的。此外,还进一步鼓励了鱼苗和鱼种的孵化场来源、获得鱼饲料和财政支持,以养殖这些易腐物品。农民的教育水平、缺乏养鱼技术知识、推广服务差以及缺乏池塘管理信息被认为是改善养鱼创业的潜在障碍。较高的放养密度和较差的水质条件导致鱼类产量和利润下降。放养密度高的小规模养殖户(47.79%)利润率较低(1.44塔卡/条),放养密度低的规模化养殖户(19.85%)利润率较高(3.53塔卡/条)。因此,本研究提出了土塘养鱼系统的最佳放养密度,可以增加鱼类产量,提高盈利能力。达卡大学。科学30(3 CSI): 499-509, 2022(6月)
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