Reaz Uddin Sarkar

Reaz Uddin Sarkar
Bangladesh Agricultural University | BAU · Department of Fisheries Management

Ph.D.

About

12
Publications
2,406
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43
Citations
Introduction
Skills and Expertise
Education
July 2002 - December 2006
Bangladesh Agricultural University
Field of study
  • Fisheries Management

Publications

Publications (12)
Article
Full-text available
This study was conducted to observe the month-wise gonado-somatic index (GSI), identify breeding frequency, peak breeding season, process of gametogenesis and furnish guideline for conservation of a threatened fish species Mystus cavasius from the ‘Haor’ region in the Northeaster Bangladesh. The GSI of male M. cavasius was found highest (3.41) in e...
Article
Full-text available
The growth performance of pangasiid catfish (Pangasius hypophthalmus), silver carp (Hypophthalmichthys molitrix) and catla (Catla catla) was evaluated in polyculture at varied combinations and stocking ratios in earthen pond for a period of 16 weeks. Combinations of pangasiid catfish, silver carp and catla with the total density of 30,000 fish per...
Article
Full-text available
An experiment was conducted in twelve 0.02-ha rain-fed earthen ponds for 18 weeks to evaluate the effects of including pangasiid catfish (Pangasius hypophthalmus) in polycultures of major Indian carps, catla (Catla catla), rohu (Labeo rohita), and mrigal (Cirrhinus cirrhosus), on yield and economic gain. Treatment 1 (T1) consisted of 5,000 catla+2,...
Article
Full-text available
Excessive growth of phytoplankton is a common and severe problem in intensively farmed pangasiid catfish (Pangasius hypophthalmus) culture ponds. It can lead to cyanobacterial blooms, reduced fish growth, bad-tasting fish flesh, and lower market demand. To investigate how to manage undesirable phytoplankton growth, we evaluated three stocking strat...
Article
Full-text available
Microalgal ecology was studied for a period of 18 weeks from 15 June to 18 October 2003 in experimental carp - pangasiid catfish polyculture ponds under four different stocking rates (treatments: T) each with three replications in the Field Laboratory of the Faculty of Fisheries. Bangladesh Agricultural University, Mymensingh. The ponds were dried,...
Article
Full-text available
The status of recently expanded exotic pangasiid catfish Pangasius hypophthalmus, Pangasiidae farming in rural Bangladesh has been studied for finding research needs, through knowing the culture methods, associated activities and problems, to make the farming. sustainable. Data were collected using participatory rural appraisal (PRA) tools in nine...
Article
Full-text available
An experiment was carried out to evaluate the fish growth and water quality in pangasiid catfish (Pangasius hypophthalmus Sauvage) monoculture and polyculture with silver carp (Hypophthalmichthys molitrix Valenciennes) in nine (0.05 acre each) earthen ponds under three treatments each with three replications for a period of 98 days. In treatment 1...
Article
Full-text available
Nutrient loading and microalgal occurrence, abundance and species composition in experimental pangasid catfish monoculture and polyculture with silver carp ponds in the Field Laboratory of the Faculty of Fisheries, Bangladesh Agricultural University, Mymensingh were studied. The experiment was arranged in three treatments, each with three replicati...
Article
Full-text available
The production of fish and net economic return in pangasiid catfish (Pangasius hypophthalmus) monoculture and polyculture with silver carp (Hypophthalmichthys molitrix) in farmers' ponds were assessed. The experiment was arranged in three treatments each with three replications. The ponds were stocked with 30,000 fishes per hectare. In treatment 1...
Article
Full-text available
Microalgal community structure in experimental carp-pangasiid catfish polyculture ponds under four different stocking rates (treatments) each with three replications in the Field Laboratory of the Faculty Fisheries, Bangladesh Agricultural University, Mymensingh was studied. A total of 38 microalgal genera were identified under four major groups: 1...

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Projects

Project (1)
Project
As the waste-water and hypernutrified bottom mud disposal from pangas ponds in Bangladesh is found to be a serious problem, it is very important to introduce the integrated recycle systems for pangas and silver carp culture in our country. Algal blooms can be controlled by silver carp, which ultimately improve water quality as well as produce an extra crop without any cost, as there is no need of extra fertilization or artificial feeds for silver carp. Therefore, the integrated culture system in Bangladesh will be a new step in production technology that will promote efficient production as well as environmental sustainability. A thorough research on the integrated culture systems of Thai-pangas and silver carp would help to keep aquatic environment suitable for pangas culture and also help to gain extra crop of silver carp without any cost, making aquaculture more profitable to farmers.