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Paper Information

Journal:   JOURNAL OF ANIMAL RESEARCH (IRANIAN JOURNAL OF BIOLOGY)   SPRING 2014 , Volume 27 , Number 1; Page(s) 119 To 125.
 
Paper: 

DETERMINATION OF LETHAL CONCENTRATION 50, 96H OF ZINC (LC5096H, ZNSO4) ON COMMON CARP (CYPRINUS CARPIO) UNDER EXPERIMENTAL CONDITION

 
 
Author(s):  FARHANGI M., HAJIMORADLOO A.M., ROSTAMI CHARATI F.
 
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Abstract: 

The research was accomplished in order to determination of half -lethal concentration of zinc (LC5096h) on common carp (cyprinus carpio) under experimental condition. The study was performed using Water Static Method during 96 hours. The experiments were by 12 fish with avrage weight 3±2 g were encountered with different concentrations (0, 30, 60, 90, 150, 210, 250 and 270) of zinc. Sulphate zinc salt was used as source of zinc ion. A group of fish was considered as control. Under stable condition and aeration, the lethal concentration and half- lethal concentration were detected 250 and 129.07 mg/l respectively. The experiments revealed, The maximum mortalities (>80%) occurred in early times (7 hours after starting experiments). However, in the high concentration of zinc nominal signs of toxicity as convulsion, air gluping and opened operculum, hemorrhage and hyperemia were observed.

 
Keyword(s): SUB-LETHAL CONCENTRATION, HEMORRHAG, HYPEREMIA, SULPHATE OF ZINC, COMMON CARP (CYPRINUS CARPIO)
 
References: 
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