Applied and Natural Science Foundation
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Journal of Applied and Natural Science
An International Journal | Print ISSN: 0974-9411 | Online ISSN: 2231-5209
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Journal of Applied and Natural Science 2(1):34-37(2010)
Copper sulphate induced changes in scaphognathite oscillations and oxygen consumption of fresh water prawn, Macrobrachium lamarrei (Crustacea-Decapoda)
Dharm Raj Verma, Harnam Singh Lodhi, Kunwer Ji Tiwari, Sanjive Shukla* and U.D. Sharma**
P.G. Department of Zoology, B S N V P G College, Lucknow - 226 001 (U.P.), INDIA
**Prawn Research Centre, Department of Zoology, University of Lucknow, Lucknow-226 007 (U.P.), INDIA
*Corresponding author. E-mail:
Abstract : Fresh water prawns, Macrobrachium lamarrei were subjected to acute concentration, 0.304 mg/l (96h LC50) of Copper sulphate to evaluate its effects on scaphognathite oscillations and oxygen consumption rate. Scaphognathite oscillations showed initial increase after 24h, thereafter significantly (t = 9.24; P<0.001) decreased up to 72h and finally tend to increase after 96h but remained below the controls where as oxygen consumption showed continuous decreasing trend through out the experiment up to 96h (t = 16.53; P<0.001) than control ones. Possible interaction of copper in relation to respiration of these economically important crustaceans has been discussed.

Keywords : Macrobrachium lamarrei, Scaphognathite oscillations, Oxygen consumption, Copper sulphate
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