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Growth Performance of Thai Koi (anabas Testudineus) in Integrated Culture System

Ripon Kumar Adhikary
Fisheries and Marine Resource Technology Discipline, Khulna University

Zubaer Bin Mostafa
House-383, Rood-10, Baitul Aman Housing Society, Adabor, Dhaka-1207

Atal Saha
Fisheries and Marine Resource Technology Discipline, Khulna University

Dr. Md. Saifuddin Shah
Fisheries and Marine Resource Technology Discipline, Khulna University

Abstract/ Executive Summary:

An experiment on culture of Thai koi (Anabas testudineus) was conducted in earthen ponds with different feeding regimes to asses the effect of poultry droppings on growth performance in monoculture in absence of fertilization. The experiment was carried out with two treatments T-1 (normal pond) and T-2 (integrated pond); with only T-1 having two replications. There were 3 ponds for the experiment each of the ponds was 33 decimal. The ponds were fenced by nylon weir mesh net. Koi fry of 1.5 g were stocked at the density of 1,50,000/ha. The fishes were fed with ration containing 35% protein with optimum feeding level and frequency of feeding. The other treatment was based on poultry droppings from the adjacent poultry shed having 2000 layer birds. The experiment was continued up to 105 days. The result showed that the difference of mean weight gain up to 45 days was not significant at 5% level of significance but after 45 days T-1 (59.73±4.22 g) showed higher weight gain followed by T-2 (48.22±10.74 g) which was significantly different at 5% significance level. Mean length gain after experimental period for T-1 was (12.75±1.50 cm) which was significantly different from T-2 (12.22±1.73 cm) at 5% level of significance. The difference of SGR (%/day) in T-1 (3.51) and T-2 (3.31) was also significant (P<0.05). Water quality did not differ much between the treatments and it was within the range of optimum level for culture. T-1 produced higher amount of large size fish than in T-2. Though growth performance of koi under T-1 was better, however, T-2 might be a potential technique of koi culture as it reduces the feeding cost.

Keywords: Thai koi, Integrated culture, Poultry droppings

Location: Gain Agro Fisheries, Batiaghata, Khulna, Bangladesh

Start Date: 00-07-2007

End Date: 00-09-2007

Program Area: Animal Health and Management

Commodity: Koi/Climbing

Objectives:

1. To observe the growth performance of Thai koi in integrated culture system and to compare the growth performance in integrated and normal pond at same density.

Methodology:

Experimental design and management - The experiment was designed using two treatments, T-1 (normal pond) and T-2 (integrated pond). There were two replications of T-1 (P-1 and P-2) where T-2 has no replication. There was only one pond which was integrated with chicken. So there was no scope for the replication of the integrated pond. Fishes were stocked at same density into each treatment. T-1 was treated with commercially available supplementary feed. No supplementary feed was used in T-2. Post stocking management and sampling - Each pond was treated with lime and green geolite fortnightly at the rate of 150kg/ha and 80kg/ha respectively. Lime was drifted 24 hours before treating in pond. Fish sample were taken by catching the fish by cast net. The length and weight of individual fish were taken with care to avoid injuries. Length and weight were measured separately to assess the growth of the fishes. Fishes were caught randomly from different places of the pond for this purpose. Length was measured with a 30 cm stainless steel scale and weight was taken by a spring balance. Water quality parameters - The water quality parameters (temperature, dissolved oxygen, alkalinity, salinity and pH) were recorded on sampling dates in the morning from 10.00 a.m. to 12.00 p.m. Temperature was determined by a mercury thermometer. Dissolved oxygen of water was determined by Winkler’s method. pH was recorded by a portable pH meter. Salinity of water was measured by a portable refractometer. Growth parameters - The following parameters were used to evaluate the growth performance of Thai koi (A. testudineus). Weight gain (g) = Mean final wt - mean initial wt Length gain (cm) = Mean final length - mean initial length Specific growth rate (SGR) % day = (lnWf - lnWi)*100/Δt Where, Wf = final weight, Wi = initial weight and Δt = duration. Data analysis - MS Excel and SPSS-12 software was used to interpret the data. For the statistical analysis of data a one-way ANOVA test was done at 5% level of significance.

Source of Information: BANGLADESH RESEARCH PUBLICATIONS JOURNAL; ISSN: 1998-2003, Volume: 2, Issue: 1, Page: 361-370, January - February, 2009

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

The result showed that the difference of mean weight gain up to 45 days was not significant at 5% level of significance but after 45 days T-1 (59.73±4.22 g) showed higher weight gain followed by T-2 (48.22±10.74 g) which was significantly different at 5% significance level. Mean length gain after experimental period for T-1 was (12.75±1.50 cm) which was significantly different from T-2 (12.22±1.73 cm) at 5% level of significance. The difference of SGR (%/day) in T-1 (3.51) and T-2 (3.31) was also significant (P<0.05). Water quality did not differ much between the treatments and it was within the range of optimum level for culture. T-1 produced higher amount of large size fish than in T-2. Though growth performance of koi under T-1 was better, however, T-2 might be a potential technique of koi culture as it reduces the feeding cost.

Knowledge Management: Journal