Volume 5, Issue 3 (12-2013)
3 2013, 5(3): 1-14 |
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khodabakhsh E, Jamili S, Motalebi A, Mashinchian A, Nasrolahzadeh Saravi H, Hoseini M. The acute effects of water soluble-fraction crude oil on liver tissue ofbeluga (Husohuso Linnaeus, 1754) fingerlings inthe Caspian Sea. 3 2013; 5 (3) :1-14
URL: http://jmb.ahvaz.iau.ir/article-1-242-en.html
URL: http://jmb.ahvaz.iau.ir/article-1-242-en.html
Elahe Khodabakhsh 
, Shahla Jamili , Abbasali Motalebi , Ali Mashinchian , Hasan Nasrolahzadeh Saravi , Mohammad Hoseini
, Shahla Jamili , Abbasali Motalebi , Ali Mashinchian , Hasan Nasrolahzadeh Saravi , Mohammad Hoseini
Abstract: (7072 Views)
In this study, the effects of water soluble fraction (WSF) of crude oil on liver tissue of fingerlings beluga(Husohuso) with mean weight 10.76 ± 0.23g was assessed in the Caspian Sea. Firstly, the LC5096hvalue inwater soluble fraction of crude oil was 46.68 mgL-1. Control group and 3 other treatments (atconcentrations 0.4LC50,0.6LC50,and 0.8LC50) were lower than the LC5096h. Each experimental group had 3 replicates including30 fish and experiment duration was 96h. Physical and chemical factors of water were measured and sampling of liver was doneeach 24h.
According to the results, different concentrations of water soluble fraction of crude oil (WSF) showed high damages in liver tissue even from the first time of experiment. Several damages such as hypertrophy and congestion of sinusoids, hypertrophy of hepatocyte, vacoulation degeneration and fatty degeneration, bile stagnant, necrosis, cirrhosis and fibrosis were observed in samples. Results showed that in high concentrations of crude oil or more residence of fish in this pollution, unreturnable and serious damages were occurred. Results showed that even exposing to 0.4LC50WSF ofthe Caspian Sea crude oil can lead to serious damages in liver tissue (fatty degeneration, karyorrhexis, karyolysis, and necrosis). So exposing to 0.4LC50 can cause to health risk in beluga fingerlings and probability of the mortality will be increasedwith the increase of exposureduration.
Type of Study: Research |
Subject:
Fisheries
Received: 2015/01/10 | Accepted: 2015/01/10 | Published: 2015/01/10
Received: 2015/01/10 | Accepted: 2015/01/10 | Published: 2015/01/10
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