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International Journal of Aquatic Biology، جلد ۷، شماره ۲، صفحات ۶۵-۷۰
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عنوان انگلیسی Plasma 17beta-estradiol and alkali-labile phosphoprotein levels in male and female Tench (Tinca tinca) in the Anzali and Amirkolayeh wetlands
چکیده انگلیسی مقاله Environmental pollutants are potentiate to disturb biological processes such as metabolism, growth and reproduction of aquatic organisms. These compounds are able to cause gonadal abnormalities, biased sex ratios and alteration in reproductive physiology in fish. The aim of this study was to examine plasma 17β-estradiol (E2) and alkali-labile phosphoprotein (ALP) levels in male and female Tench ( Tinca tinca ) from a polluted (the Anzali Wetland) and a non-polluted environments (the Amirkolayeh Wetland). Samples were collected over the maturation season of Tench between May and June 2017. The results revealed significant difference in mean ALP and E2 between genders in the polluted environment. However, the mean plasma ALP concentrations in male Tench of the polluted environment (39.46±1.02 µg/ml) was 45% of the average recorded in female (86.18±2.25 µg/ml) and was two times higher than the amount measured in males in the non-polluted environment (18.68±0.35 µg/ml). High concentrations of E2, were detected in the male samples from the Anzali Wetland. Mean plasma E2 concentrations for male in the Anzali Wetland was almost two times higher than male in the Amirkolayeh Wetland. The results indicate that the reproductive physiology of Tench was affected by contaminants found in the Anzali Wetland, a highly polluted area.
کلیدواژه‌های انگلیسی مقاله ALP, Anzali Wetland, Steroid hormone, Tinca tinca.
نویسندگان مقاله | Ali Taheri Mirghaed
Fisheries Department, Faculty of Natural Resources, University of Guilan, Sowmeh Sara, Iran.


| Marzieh Abbasi
Inland Waters Aquatics Resources Research Center, Iranian Fisheries Sciences Research Institute, Agricultural Research, Education and Extension Organization, Gorgan, Iran.


| Seyyed Morteza Hoseini
Department of Fisheries, Faculty of Natural Sciences, Shahrekord University, Shahrekord, Iran.


| Esmaeil Pirali Kheirabadi


نشانی اینترنتی http://ij-aquaticbiology.com/index.php/ijab/article/view/596
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