CHANGES IN PLASMA OSMOLARITY AND SOME HEMATOLOGICAL PARAMETERS OF TWO SIZES OF ZANDER, SANDER LUCIOPERCA, IN FACING TO HIGHER SALINITIES

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AHMADNEZHAD MOHADDESEH; ORYAN SHAHRBANOO; BAHMANI MAHMOUD; SAYAD BOURANI MOHAMMAD

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Journal: JOURNAL OF MARINE BIOLOGY Year:2012 | Volume:4 | Issue:15 Page(s): 13-24

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Title

CHANGES IN PLASMA OSMOLARITY AND SOME HEMATOLOGICAL PARAMETERS OF TWO SIZES OF ZANDER, SANDER LUCIOPERCA, IN FACING TO HIGHER SALINITIES

Author(s)

AHMADNEZHAD MOHADDESEH | ORYAN SHAHRBANOO | BAHMANI MAHMOUD | SAYAD BOURANI MOHAMMAD | Issue Writer Certificate

Keywords

ZANDERQ2

SANDER LUCIOPERCAQ2

SALINITYQ2

CASPIAN SEAQ2

Abstract

In this investigation effect of fish size on SALINITY tolerance of two size groups of CASPIAN SEA ZANDER , SANDER LUCIOPERCA, fingerlings were investigated. The survival rate and plasma osmotic pressure changes in 0, 6, 24, 72 and 240 h after abrupt transfer to freshwater (0 ppt), 7 ppt and CASPIAN SEA SALINITY (12 ppt). Also, Hb, PCV, RBC and MCHC were measured at 240 h. The effect of body weight on plasma osmolarity was significant in both groups. There were not significant changes on plasma osmolarity of both size groups in fresh water. In size group 1, the highest plasma osmolarity value occurred at 72h after transfer to 7 and 12 ppt waters. The same situation was happened in 24 h for size group 2. The plasma osmotic pressure value of both groups reduced in both SALINITY of 7 and 12 ppt at 240 h and reached to new almost stable status. Hematological parameter values of size group 2 in SALINITY of 7 and 12 ppt were lower than fresh water at 240 h. Also there was a significant decrease in MCHC value of size group 2 fingerlings after transfer to SALINITY of 7 ppt at the 240 h. It seems that nevertheless the osmoregulatory mechanisms of size group 2 ZANDER fingerlings can act better than group 1, but the size group 1 ZANDER fingerlings could tolerate SALINITY up to 12 ppt during 10 days acclimation period. Therefore we can conclude that ZANDER fingerlings in 1 g body weight can tolerate up to 12 ppt water SALINITY (Caspian Sea SALINITY).

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References

EFFECTS OF WEIGHT ON OSMOREGULATORY ABILITY OF SALMO TRUTTA CASPIUS JUVENILES

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APA: Copy

AHMADNEZHAD, MOHADDESEH, ORYAN, SHAHRBANOO, BAHMANI, MAHMOUD, & SAYAD BOURANI, MOHAMMAD. (2012). CHANGES IN PLASMA OSMOLARITY AND SOME HEMATOLOGICAL PARAMETERS OF TWO SIZES OF ZANDER, SANDER LUCIOPERCA, IN FACING TO HIGHER SALINITIES. JOURNAL OF MARINE BIOLOGY, 4(15), 13-24. SID. https://sid.ir/paper/174545/en

Vancouver: Copy

AHMADNEZHAD MOHADDESEH, ORYAN SHAHRBANOO, BAHMANI MAHMOUD, SAYAD BOURANI MOHAMMAD. CHANGES IN PLASMA OSMOLARITY AND SOME HEMATOLOGICAL PARAMETERS OF TWO SIZES OF ZANDER, SANDER LUCIOPERCA, IN FACING TO HIGHER SALINITIES. JOURNAL OF MARINE BIOLOGY[Internet]. 2012;4(15):13-24. Available from: https://sid.ir/paper/174545/en

IEEE: Copy

MOHADDESEH AHMADNEZHAD, SHAHRBANOO ORYAN, MAHMOUD BAHMANI, and MOHAMMAD SAYAD BOURANI, “CHANGES IN PLASMA OSMOLARITY AND SOME HEMATOLOGICAL PARAMETERS OF TWO SIZES OF ZANDER, SANDER LUCIOPERCA, IN FACING TO HIGHER SALINITIES,” JOURNAL OF MARINE BIOLOGY, vol. 4, no. 15, pp. 13–24, 2012, [Online]. Available: https://sid.ir/paper/174545/en

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