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International Journal of Fisheries and Aquatic Studies
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(ICV-Poland) Impact Value: 76.37, Impact Factor: RJIF 5.69
E-ISSN: 2347-5129, P-ISSN: 2394-0506

International Journal of Fisheries and Aquatic Studies

2016, Vol. 4, Issue 3, Part H

The Combined effects of Salinity and Temperature on the survival of Zoeae and postlarvae of Macrobrachium rosenbergii at hatchery condition in Odisha, India


Author(s): Abhaya Kumar Mohanty, Swati Sucharita Mohanty and Debansu Sekhar Pramanik

Abstract: Present study was carried out to observe the effect of various ranges of temperature (25 oC, 31 oC and 35 oC) and salinity (6, 9, 12, 15, 18 ppt.) on survival of Macrobrachium rosenbergii larvae. The survival rate ranged between 6.54-64.52% at 25 oC in 9-12 ppt. whereas it was between 2.63-52.38% when reared at 25 oC in 15-18ppt. Post larvae (PL) showed maximum survivability i.e. 44.29% at 25 oC, 89.61% at 31 oC and 42.70% at 35 oC with the same salinity condition of 12ppt.which were also significantly different from each other (P>0.05).Water quality parameters recorded throughout the study period were found within the tolerable ranges (dissolved oxygen 7.3 ±0.06 mg/L, pH 8.0 ±0.04, ammonia from 0.10 ±0.02 mg/L etc).Present result showed that 12 ppt. salinity and 31 oC temperature is better for the maximum survivability of larvae (Zoeae) and post larvae of Macrobrachium rosenbergii at hatchery condition.

Pages: 576-580  |  715 Views  29 Downloads

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How to cite this article:
Abhaya Kumar Mohanty, Swati Sucharita Mohanty and Debansu Sekhar Pramanik. The Combined effects of Salinity and Temperature on the survival of Zoeae and postlarvae of Macrobrachium rosenbergii at hatchery condition in Odisha, India. International Journal of Fisheries and Aquatic Studies. 2016; 4(3): 576-580.
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