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- Title
Effect of Stocking Densities on Growth and Production Performance of Bheda (Nandus nandus) in Pond Aquaculture.
- Authors
Haque, Md. Rezoanul; Das, David Rintu; Sarkar, Md. Roman; Begum, Nasima; Pandit, Debasish; Jaman, Asma
- Abstract
The current study's goal was to look at how stocking densities affected Bheda (Nandus nandus) growth and production over the course of a 120-day period. Three treatments were T1 (20,000 fish ha-1), T2 (30,000 fish ha-1), and T3 (40,000 fish ha-1), each with three replicates. Those fishes were fed daily with commercial sinking feed and a live food mixture at 9-3% fish body weight up to harvesting. Temperature, dissolved oxygen, pH, and other water quality indicators were measured every two weeks, along with the growth performance of Bheda fish. T2 had the highest yield of Bheda (3439.08±207.31 kg ha-1), followed by T3 (3422.78±224.42 kg ha-1), and T1 (3136.62±150.00 kg ha-1). The harvesting weight (g), individual weight gain (g), individual percent (%) weight gain (g), SGR (% per day), and survival rate (%) of fish were significantly higher (p<0.05) in T1, followed by T2 and T3, respectively, where combined production of fishes was significantly higher at T2 followed by T3 and T1. Net profit and benefit-cost ratio were significantly higher in T1 than T2 and T3. Based on the results of this experiment, it can be concluded that stocking density of Bheda fingerlings at the rate of 20,000 fish ha-1 in T1 showed the highest production performance for profitable pond aquaculture. However, further research on the standardisation of stocking density with economic profitability of this fish at the on-station or on-farm level in ponds may be required before widespread dissemination of this culture technology to farmers, particularly in Bangladesh and elsewhere.
- Subjects
BANGLADESH; POND aquaculture; FARMERS' attitudes; WATER quality; DISSOLVED oxygen in water
- Publication
Aquatic Sciences & Engineering, 2023, Vol 38, Issue 2, p97
- ISSN
2602-473X
- Publication type
Article
- DOI
10.26650/ASE20231247849