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Growth Performance of Indian Major Carps at Pond System Using Shrimp Industry Waste in Their Diet

M. I. Hossain
Department of Fisheries Technology, Bangladesh Agricultural University, Mymensingh-2202

F. H. Shikha
Department of Fisheries Technology, Bangladesh Agricultural University, Mymensingh-2202

A. B. M. A. Hoque
Department of Fisheries Technology, Bangladesh Agricultural University, Mymensingh-2202

Abstract/ Executive Summary:

A study was carried out to observe the growth performance of Indian major carp utilizing the shrimp industry waste in their supplementary diets in pond system during 1^st January to 30^th June, 2015. Two types of diet namely Diet-1 (Formulated feed with shrimp waste), Diet-2 (Formulated feed with plants source ingredients) were prepared while Diet-3 (Commercial feed) were purchased from the market and assigned to three treatments viz. T₁, T₂ and T₃. Protein percentage of diets were 28.42%, 28.13% and 27.32%, respectively. The water quality parameters of the experimental ponds were monitored at 10 days interval. Diet-1 resulted better growth with Labeo rohita (153.68g), Gibelion catla (170.14g) and Cirrhinus cirrhosus (84.83g) compared to Diet-2 (138.99g, 152.94g, 68.39g respectively). The highest SGR (%/day) value was obtained with Labeo rohita (2.66%/day), Gibelion catla (2.59%/day) and Cirrhinus cirrhosus (2.62%/day) for Diet-3. The average protein efficiency ratio (PER) for Diet-1 (2.19) differed much to that of Diet-2 (2.03) where Diet-3 (2.38) showed highest PER value. The highest survival rate (%) with Labeorohita (93.93%), Gibelioncatla (92.86%) Cirrhinuscirrhosus (94.44%) were found for Diet-3. Therefore, it could be recommended that shrimp industry waste can be replaced with fish meal in the diets of Indian major carps along with other available feed ingredients.

Keywords: Growth performance, Indian major carps, Pond condition, Shrimp industry waste

Location: Faculty of Fisheries Bangladesh Agriculture University (BAU), Mymensingh.

Start Date: 00-01-2015

End Date: 00-06-2015

Program Area: Animal Health and Management

Commodity: Shrimp

Objectives:

The present study intends to investigate into the diet formulation and preparation of diet with the industrial shrimp waste and its effectiveness in polyculture system with Indian major carps (Labeorohita, Gibelioncatla and Cirrhinuscirrhosus) in pond.

Methodology:

Duration of the study and experimental site description- The present study was conducted for a period of six months from 1^st January to 30^th June, 2015. Feed formulation and preparation takes three months. Growth performance of Indian major carps were evaluated in three experimental ponds located behind the Faculty of Fisheries Bangladesh Agriculture University (BAU), Mymensingh. The ponds were equal in size and similar in shape, depth, basin, configuration and pattern. The water depth was maintained to a maximum of 1.2 m. There was well inflow and outflow system to maintain the water level. Selection and collection of feed ingredients- Shrimp waste were collected from the processing plants of Chittagong. Different types of feed ingredients such as rice bran, maize, soybean, wheat bran, molasses, minerals and vitamins premix were purchased from local market of Mymensingh. Three types of diets were used for this experiment. Two different diets were formulated (Diet-1: Formulated feed with shrimp waste, Diet-2: formulated feed without shrimp waste/formulated feed with plant sources) while another feed (Diet–3: Commercial feed) was purchased from the local market. Feed formulation- The experimental Diet-1 was formulated using shrimp waste and other ingredients (rice bran, wheat bran, maize, soybean, salt and molasses) which presented. The experimental Diet-2 was prepared in the laboratory without using shrimp wastes. Different ingredients such as rice bran, wheat bran, maize, soybean, salt and molasses were used in increased amounts to make the total unit volume 100 g. On the other hand, Diet-3, the commercial one was purchased from the local distributor of Spectra Hexa Feeds Limited which is commonly known as Mega feed. The experiment was conducted in three treatments each with three replication. Three different diets were assigned to three different treatments viz. T₁, T₂ and T₃ for pond. In this experiment Diet-1, Diet-2 and Diet-3 were used as the treatment 1, 2 and 3, respectively. The species combination given in different treatments were Rui (Labeo rohita), Catla (Gibelion catla) and Mrigal (Cirrhinus cirrhonus). The fish was stoked at the rate of 100/decimal in different treatments. The most common and suitable three species poly-culture ratio 40: 30: 30 (Catla: Rui: Mrigal) were followed in case of fingerling stocking. Before releasing the fingerling in the pond the initial weight was measured. Fish were fed at a rate of 10% of their body weight for the first one week which was gradually reduced to 8% for the next seven weeks and 6% for the last four weeks. The feed was supplied using feed spreading method manually. Fish was fed twice daily, half of the ration in the morning between 8.30 to 9.30 am and another half in the afternoon between 4:30 to 5:30 pm. Sampling of fish was done to observe the growth of fish and to adjust the feeding rate by using a cast net. Growth of fish in the sampling was measured by using a digital electronic balance. Some important water quality parameters such as water temperature (ºC), dissolved oxygen (mg/l), and pH were measured during every sampling day. The sample collection were done between 8.30 to 9.30 am. Proximate composition of all individual feed ingredients and prepared feeds from those ingredients were analyzed in the Fish Processing Laboratory, Department of Fisheries Technology, Bangladesh Agricultural University, Mymensingh, Bangladesh according to the methods described in the Association of Official Analytical Chemists (1990) with slight modification. Analysis of experimental data on growth Experimental data collected during the growth trial were used to determine the growth performance by following growth parameters- Weight gain = Mean final fish weight —Mean initial fish weight. Data obtained from the present experiment were analyzed statistically to measure growth performance of different fish species in different treatments. Data were entered into MS Excel to done simple statistics and XLSTAT for analysis of variances (ANOVA). The mean value was compared by Duncan Multiple Range Test at a 5% level of significance.

Source of Information: Environ. Sci. & Natural Resources, 12(1&2): 101-108, 2019

Article Link (Online Journal): DOI: https://doi.org/10.3329/jesnr.v12i1-2.52005

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

Therefore, the present study could be concluded as, in terms of weight gain of fishes irrespective of species and also the calculated values for cost per kg diet preparation, use of shrimp industry waste in the supplementary diet of Indian major carp fish culture not only provides better protein percentage but also minimize the diet preparation cost in a significant margin.

Knowledge Management: Journal