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The Adaptability of Polyculture of Stinging Catfish (heteropneustes Fossilis) in Seasonal Water Bodies of Greater Northern Region, Bangladesh

Saokat Ahamed
Bangladesh Fisheries Research Institute, Freshwater Substation, Saidpur, Nilphamari

Khandaker Rashidul Hasan
Bangladesh Fisheries Research Institute, Freshwater Substation, Saidpur, Nilphamari

Maliha Hossain
Bangladesh Fisheries Research Institute, Freshwater Substation, Saidpur, Nilphamari

Yahia Mahmud
Bangladesh Fisheries Research Institute, Headquarter Mymensingh, Bangladesh

MD Khalilur Rahman
Bangladesh Fisheries Research Institute, Headquarter Mymensingh, Bangladesh

Abstract/ Executive Summary:

Present study was carried out to evaluate the growth performance of polyculture Heteropneustes fossilis in different stocking density in seasonal ponds of greater Northern region, Bangladesh for a period of 150 days from 30 March 2016 to 30 August 2016. Nine uniform earthen ponds (10decimal) were divided in to three treatments. Three stocking densities of H. fossilis such as 1,23,550 (T1), 148260 (T2) and 172970 ha-1 (T3) were tested with three replications each with C. batratus, O. niloticus and B. gonionotus commercial pelleted fish feed containing 30% crude protein were supplied 8-6% of the body weight of H. fossilis. A sampling of the experimental fishes along with the monitoring of the water quality parameters were measured on fortnightly basis. Over the study period, all the recorded water quality parameters were founded within the acceptable range suitable for fish culture. At the end of the culture period harvested weight of H. fossilis were found 65.11± 1.11, 58.0±2.00 and 48.0±0.58 g where T1 permit significantly (P<0.05) better growth performance followed by T2 and T3 Significantly (P<0.05) with better nutrient utilizations FCR in T1 (2.63) followed by T2 (2.84) and T3 (3.08). Significantly higher survival (%) of the fishes were recorded in T1 (77.93±1.63) followed by the T2 (76.12±0.62) and T3 (72.71±0.14). Considering the survival highest gross production (kg ha-1) in T2 (7793.82) followed by T1 (7593.39± 235.3) and T3 (6981.91±62.2). However, BCR in (T1)1.6933 was found to be more efficient and profitable followed by (T2) 1.4923 and (T3)1.3207). Based on the present findings, polyculture H. fossilis might be suggested to the fish farmer as a potential adaption option to utilize the seasonal water bodies. The polyculture technology of shingi may also help to meet the dietary needs and improve the socioeconomic status of the people of Bangladesh

Keywords: Adaptability, Heteropneustes fossilis, Polyculture, Stocking seasonal, Growth, Survival, Production, BCR

Location: Saidpur, Taragonj and Dimla, Sitmohol areas of Rangpur and Nilphamari district

Start Date: 30-03-2016

End Date: 30-08-2016

Program Area: Animal Health and Management

Commodity: Cat fish

Objectives:

Hence, the present research works has been designed and proposed to adopt the polyculture techniques of H. fossilis in the seasonal water bodies; to assess the water quality parameters of cultural water bodies, and analyze the benefit-cost ratio (BCR) of culture technology.

Methodology:

Site profile and study period The experiment was conducted at the, Saidpur, Taragonj and Dimla, sitmohol areas of Rangpur and Nilphamari district for a period of 150 days from 30 March 2016 to 30 August 2016. 2.1. Design of the experiment A total nine (9) uniforms earthen ponds with all equal in size (10 decimal), rectangular shape, similar basin and bottom with average depth (3-4 feet) were used for the experiment. Three (3) treatments of the present experiment (T1, T2 and T3) were designed according to completely randomize design (CRD) in triplicates unit. The experiment has been conducted in farmer’s ponds of Rangpur and Niphamari regions. Onfarm ponds were selected with the concerning of relevant Senior Upazilla Fishery Officer (SUFO/UFO).

2.2. Pond preparation, Liming, Fertilization, stocking and feeding management: The selected ponds were prepared by drained and drying. Aquatic weeds was removed from the ponds manually and harmful and unwanted fish species removed by using rotenone 25-35 g dec-1ft-1 and ponds have been liming @1 kg dec-1. After 5 days of liming, cow-dung 6 kg dec-1, urea 100 g dec-1 and TSP 75 g dec-1 have been applied at initial stage during pond preparation. The short-cycle fishes like as H. fossilis, C. batrachus, and GIFT and B. gonionotus have been selected for adaptive trial in the listed ponds. After collection about 7-10 cm fingerlings of H. fossilis and other fishes were stocked as per experimental design (Table 1) during early April 2016. Fish are being fed commercially available fish feed 8-6% BW day-1 (containing 30- 35% protein).

2.3. Sampling of the experimental fish and monitoring water quality parameters: sampling of fishes were made by using a ber jal and weight of fishes were measured by using a digital electronic balance (OHAUS) every fifteen days interval Monitoring of water quality parameters viz. temperature, dissolved oxygen (DO) water pH, transparency total ammonia (NH3) were observed and recorded on spot throughout the experimental period by using standard procedures and methods. The water temperature (°C) was measured by using a standard mercury thermometer, DO (mgl-1) by DO meter (YSL, Model 58, and USA), water pH by digital pH meter (Elico-Li-120ammonia (mgl-1) and ammonia y by using ammonia test kit. 2.4. Statistical analysis One-way analysis of variance (ANOVA) (Duncan, 1993) was conducted by SPSS 20 (Chicago, USA) to detect the significance differences among the treatments at 5% significance level. The values were given with means ±SD, and differences were considered significant at subset for alpha = 0.05 (p≤0.05).

Source of Information: International Journal of Fisheries and Aquatic Studies 2017; 5(1): 433-439

Article Link (Online Journal):

Funding Source:

Budget:

Total Budget (Tk.) :

Achievement/Findings:

The survival, growth and production were inversely related to the stocking densities of fingerlings of H. fossilis in earthen ponds although feeding frequency and other species combinations were same in different treatments However, the stocking density of 1,23550 fry ha-1 may be suggested for polyculture of (H. fossilis) in seasonal ponds in northern region of Bangladesh. Therefore, rural communities can use this technology as a way of coping measure (adopt) to climatic extremities, for better utilization of vast unused ponds and increase production of fishes in drought-prone areas of Northern districts, Bangladesh. However, prior to the make a solid decision further research are needed to optimize the culture technique such as nutrient requirements, effects of physiochemical parameters and feeding frequency for better growth performance

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