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Culture Potentials of Climbing Perch, Anabas Testudineus (bloch) Under Different Stocking Densities at Semi-intensive Management

A.H.M. Kohinoor
Bangladesh Fisheries Research Institute, Mymensingh 2201, Bangladesh.

D.A. Jahan
Bangladesh Fisheries Research Institute, Mymensingh 2201, Bangladesh.

M.M. Khan
Bangladesh Fisheries Research Institute, Mymensingh 2201, Bangladesh.

S.U Ahmed
Bangladesh Fisheries Research Institute, Mymensingh 2201, Bangladesh.

M.G. Hussain
Bangladesh Fisheries Research Institute, Mymensingh 2201, Bangladesh.

Abstract/ Executive Summary:

Anabas testudineus was cultured at different stocking density for the period of five months from May to September. Three stocking densities such as 50,000 (Treatment-I, T₁), 56,250 (Trcatrnent-2, T₂) and 62,250/ha (Treatment-3, T₃,) were tested with three replications. After five months rearing, the mean weights of koi were 46.74±2.59, 40,44±2.98 and 37.27±3.01 in T-I, 2 and 3, respectively. The calculated production of native koi in T₁, T₂ and T₃, were 1,916±314, 1,774.31 ±260 and 1,431 ±297 kg/ha, respectively which were significantly different (p

Keywords: Iinabas testudineus, Stocking densities

Location: Bangladesh Fisheries Research Institute, Mymensingh 2201, Bangladesh

Start Date: 01-05-2008

End Date: 30-09-2008

Program Area: Conservation and Biodiversity

Commodity: Koi/Climbing

Objectives:

1.To evaluate the production potential, or native koi at on station management.

2.To evaluate its culture potentials in pond ecology.

Methodology:

Three ponds were selected having an area of 300 m² each. Each pond was equally partitioned in to three chambers by bamboo split (100 m² each with an average depth of 100 cm). Three stocking density of native koi (A. testudineus) such as 50,000, 56,250 and 62,250/ha were tested, which considered as T-l, T-2 and T-3, respectively. Prior to initiate the experiment, ponds were dried and pond bottoms were treated with lime (CaO) at the rate of 250 kg/ha and left for three days. After drying, ponds were filled with ground water and fertilized with cow manure at the rate of 2,000 kg/ha. All the ponds clamberers were stocked according to the experimental design. After stocking, supplementary feed containing 35% crude protein (SABINCO Commercial feed) were applied at the rate of 20-4% of estimated fish biomass at twice daily at 10.00 h in the morning and at 15.00 h in the afternoon in all the treatments. The fingerlings were fed at the rate of 20% of their body weight for the first four weeks and it was reduced to 4% on the subsequent weeks. All the ponds were limed at the rate of 125 kg/ha at monthly interval during the culture period. Fish sampling were done at fortnightly intervals through seine netting and weighing 50 fish to measure the growth, assess their health status and also feed adjustment.Water quality parameters such as water temperature (OC), DO (mg/L), pH, alkalinity (mg/L) were monitored at weekly intervals from 0930 to 1000 hrs. Water temperature was recorded using a Celsius thermometer and transparency was measured by using a Seechi disc of 20 cm diameter. Dissolve oxygen and pH were measured directly using a digital portable oxygen meter (OAKTON) and portable pH meter (HANNA 8424). After a grow-out period of five months, ponds were drained by pump and all fish were harvested. Total bulk weight and number of fish from each pond were recorded. Specific growth rate (bw/day) was estimated as: SGR = [In (final weightj-In (initial weight]/culture period (days) x 100. One-way ANOVA was carried out using STATGRAPHICS version 7 statistical package following Zar (1984). Significance was assigned at the 5% level of probability.

Source of Information: Bangladesh Journal Fish. Res., 13(2),2009: 115-120

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

The production obtained in the present experiment was higher than the above mentioned results due to application of protein enriched (35%) supplementary feed which might gave the higher production and also regular water supply in the ponds might be another factor which enhanced the production.

Knowledge Management: Journal