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Title: Sublethal temperature stress in juvenile Labeo rohita (Ham-Buch.) and Rita rita (Ham.): Some physiological changes
Authors: Das, Manas Kr
Dutta, Tanusree
Acharya, Subhendu
Bhowmick, S.
Issue Date: May-2002
Publisher: NISCAIR-CSIR, India
Abstract: uveniles of fish L.rohita and R.rita subjected to a rapid (5 min) sublethal temperature increase from 28 to 350C showed significant increase in cortisol and decrease in interrenal ascorbic acid. Hypercholesterolemia, hyperglycemia and hyperlactemia were also evident accompanied by increased blood haemoglobin and haematocrit and stable protein levels.Compensatory responses were initiated within 72 hr in both the fishes. R.rita recovered more quickly indicating it to be more resistant to the heat stress than L.rohita. Hence fishes subjected to sublethal temperature stress should be given a metabolic recovery period of 72 hr prior to further stress being applied.
Page(s): 589-593
ISSN: 0975-1009 (Online); 0019-5189 (Print)
Appears in Collections:IJEB Vol.40(05) [May 2002]

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