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Journal of Entomology and Zoology Studies
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P-ISSN: 2349-6800, E-ISSN: 2320-7078

Journal of Entomology and Zoology Studies

2016, Vol. 4, Issue 5
Phytoplankton overgrowth checked by tilapia inclusion in freshwater prawn (Macrobrachium rosenbergii) culture pond

Mohammad Sadequr Rahman Khan, Mst. Mansura Khan, Nahida Akter and Md. Abdul Wahab

The effect of tilapia inclusion on the plankton abundance, water quality parameters and growth performance of freshwater prawn (Macrobrachium rosenbergii) was evaluated in 120 days of grow-out in nine earthen ponds. Simultaneously, the performance of two tilapia strain (Chitralada and GIFT) was compared in prawn-tilapia polyculture system. There were three treatments: only freshwater prawn (T1), prawn + Chitralada (T2), and prawn + GIFT (T3) with three replications of each. A total 47 genera of plankton was identified. The total phytoplankton abundance was significantly higher in T1 (3.4×104 cells l-1) than T2 (2.7×104 cells l-1) and T3 (2.6×104 cells l-1). Higher abundance of Chlorophyceae and Euglenophyceae in T1 was attributed with lower water transparency and higher Chlorophyll-α content. Tilapia inclusion had no negative effect on prawn performance rather tilapia controlled phytoplankton overgrowth, supported better prawn survival and increased combined production. Chitralada gained higher individual weight than GIFT, but their net production did not vary significantly.
Pages : 80-86 | 2037 Views | 220 Downloads


Journal of Entomology and Zoology Studies Journal of Entomology and Zoology Studies
How to cite this article:
Mohammad Sadequr Rahman Khan, Mst. Mansura Khan, Nahida Akter, Md. Abdul Wahab. Phytoplankton overgrowth checked by tilapia inclusion in freshwater prawn (Macrobrachium rosenbergii) culture pond. J Entomol Zool Stud 2016;4(5):80-86.

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