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Information Journal Paper

Title

STUDY OF SEA WATER TOLERANCE ANDNA+, K+- ATPASE ACTIVITY IN DIFFERENT GROWTH STAGES (PARR AND SMOLT) OF SALMO TRUTTA CASPIUS JUVENILES

Pages

  414-424

Keywords

NA+Q2
K+- ATPASE ACTIVITYQ2

Abstract

 This study was carried out to determine the size of parr and smolt and Sea water toler-ance of Caspian trout (SALMO TRUTTA CASPIUS Kessler, 1877) juveniles. In this research were exposed to 3 salinity trials using Caspian Sea water (11- 11.5 ppt), inshore water (7 ppt) and fresh water (control) in 4 weight groups of 5, 10, 15 and 20 g, all in 3 repli-cates. Mean plasma osmolality of 20, 15, 10 and 5 gr juveniles in control group (time of 0) were 331.3±8.7, 307.7±6, 334.7±14.6 and 301±8.7 mosml/l. This parameter in the above weight groups after 240 hours exposure to Caspian Sea water were 329±0.53, 321±9, 325.3±6.7 and 346.5±13.6 respectively. Na+, K+-ATPase activity (was estimated by phosphate released from ATP) in juveniles of 5g weight group in 7 ppt salinity and Caspian Sea water was low (3.2 – 6.1 μmol Pi /mg protein/ h). The enzyme activities in all weight groups were higher under the exposure in Caspian Sea water than that in wa-ter of 7 ppt salinity. In group of 10 g juveniles at start time (control in freshwater) the activity of Na+, K+-ATPase was significantly higher (p<0.05) than that in 20g group. It is may be related to some metabolic changes and transforming to parr-smolt. 15 and 20 gr juveniles were in smolt range.

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    APA: Copy

    SAYYAD BOURANI, M., ABTAHI, B., BAHMANI, M., SABERI, H., & MORADI CHAFI, M.. (2014). STUDY OF SEA WATER TOLERANCE ANDNA+, K+- ATPASE ACTIVITY IN DIFFERENT GROWTH STAGES (PARR AND SMOLT) OF SALMO TRUTTA CASPIUS JUVENILES. JOURNAL OF ANIMAL RESEARCH (IRANIAN JOURNAL OF BIOLOGY), 26(4), 414-424. SID. https://sid.ir/paper/248683/en

    Vancouver: Copy

    SAYYAD BOURANI M., ABTAHI B., BAHMANI M., SABERI H., MORADI CHAFI M.. STUDY OF SEA WATER TOLERANCE ANDNA+, K+- ATPASE ACTIVITY IN DIFFERENT GROWTH STAGES (PARR AND SMOLT) OF SALMO TRUTTA CASPIUS JUVENILES. JOURNAL OF ANIMAL RESEARCH (IRANIAN JOURNAL OF BIOLOGY)[Internet]. 2014;26(4):414-424. Available from: https://sid.ir/paper/248683/en

    IEEE: Copy

    M. SAYYAD BOURANI, B. ABTAHI, M. BAHMANI, H. SABERI, and M. MORADI CHAFI, “STUDY OF SEA WATER TOLERANCE ANDNA+, K+- ATPASE ACTIVITY IN DIFFERENT GROWTH STAGES (PARR AND SMOLT) OF SALMO TRUTTA CASPIUS JUVENILES,” JOURNAL OF ANIMAL RESEARCH (IRANIAN JOURNAL OF BIOLOGY), vol. 26, no. 4, pp. 414–424, 2014, [Online]. Available: https://sid.ir/paper/248683/en

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