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E-ISSN: 2347-5129, P-ISSN: 2394-0506

International Journal of Fisheries and Aquatic Studies

2018, Vol. 6, Issue 4, Part C

Effects of different stocking ratios of carps and pangas on the plankton population of a pond system


Author(s): M Abu Baker Siddique, M Shadiqur Rahman, Balaram Mahalder, M Shafiullah, M Musfikur Rahman and SM Rahmatullah

Abstract: An experiment was conducted to evaluate the effect of different ration of carps and pangas on the plankton population of a pond system in different three farmers ponds under semi intensive rearing system located at Shamgonj thana under Netrokona district from 01 June 2003 to 31 August 2003. The stocking ratio of rohu, catla, mrigal and pangas were 35:17.5:17.5:30, 30:15:15:40 and 25:12.5:12.5:50 in three treatments. The gut content of carps and pangas were analyzed. A total of 27 genera of phytoplankton under the groups of Bacillariophyceae (4), Chlorophyceae (14), Cyanophyceae (7) and Euglenophyceae (2) and 6 general of zooplankton under the groups of Cladocera (3) and Rotifera (3) were found. Among the phytoplankton groups Chlorophyceae was the dominant group in three treatments. During the study period, total abundance of plankton found higher (91.8×103 /L) in the month of August in T1. On the contrast, less abundance of plankton (56.7×103 /L) was found in the month of June in T3. Among the phytoplankton and zooplankton, Cyanophyceae and Cladocera were higher in the gut content of catla and rohu in T2 and T1 respectively than others treatments. In case of feeding habits, rohu, catla, mrigal and pangas were showed positive response to Bacillariophyceae, Euglenophyceae, Cladocera and Rotifera in three treatments and negative response to Chlorophyceae and Cyanophyceae in T1 and T2 respectively. The significantly highest total production of fishes 2627 kg/acre/90 days was recorded in T1 which was followed by T2 (2553 kg/acre/90 days) and treatment 3 (2448 kg/acre/90 days) respectively.

Pages: 223-230  |  431 Views  11 Downloads

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How to cite this article:
M Abu Baker Siddique, M Shadiqur Rahman, Balaram Mahalder, M Shafiullah, M Musfikur Rahman, SM Rahmatullah. Effects of different stocking ratios of carps and pangas on the plankton population of a pond system. Int J Fish Aquat Stud 2018;6(4):223-230.
International Journal of Fisheries and Aquatic Studies