Serum steroid hormones in kutum Rutilus frisii kutum during spawning season
The objective of this study was to measure the concentrations of steroid hormones (testosterone, 17β-estradiol and progesterone) in kutum Rutilus frisii kutum during spawning period. Serum testosterone level in gravid fish (14.52 ± 0.03 ng/ml) was higher than that (0.54 ± 0.11 ng/ml) in ripe fish (P...
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Veröffentlicht in: | International aquatic research 2010-08, Vol.2 (2), p.131-133 |
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description | The objective of this study was to measure the concentrations of steroid hormones (testosterone, 17β-estradiol and progesterone) in kutum Rutilus frisii kutum during spawning period. Serum testosterone level in gravid fish (14.52 ± 0.03 ng/ml) was higher than that (0.54 ± 0.11 ng/ml) in ripe fish (P < 0.05). Levels of 17β-estradiol and progesterone were lower than 1 ng/ml with no significant difference between ripe and gravid fish (P > 0.05). The hormonal profile indicates that gravid fish are ready to ovulate. |
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Serum testosterone level in gravid fish (14.52 ± 0.03 ng/ml) was higher than that (0.54 ± 0.11 ng/ml) in ripe fish (P < 0.05). Levels of 17β-estradiol and progesterone were lower than 1 ng/ml with no significant difference between ripe and gravid fish (P > 0.05). The hormonal profile indicates that gravid fish are ready to ovulate.</description><identifier>ISSN: 2008-4935</identifier><identifier>EISSN: 2008-6970</identifier><language>eng</language><publisher>Tonekabon: Islamic Azad University, Tonekabon Branch, Vali abad</publisher><subject>17β-Estradiol ; Fish ; Freshwater ; Freshwater fishes ; Hormones ; Progesterone ; Rutilus frisii ; Rutilus frisii kutum ; Serum ; Sex hormones ; Spawning ; Spawning seasons ; Steroid hormones ; Steroids ; Testosterone</subject><ispartof>International aquatic research, 2010-08, Vol.2 (2), p.131-133</ispartof><rights>2010. This work is published under https://creativecommons.org/licenses/by/4.0/ (the “License”). 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subjects | 17β-Estradiol Fish Freshwater Freshwater fishes Hormones Progesterone Rutilus frisii Rutilus frisii kutum Serum Sex hormones Spawning Spawning seasons Steroid hormones Steroids Testosterone |
title | Serum steroid hormones in kutum Rutilus frisii kutum during spawning season |
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