SERUM SEX STEROID HORMONES (TESTOSTERONE, 17β-ESTRADIOL AND PROGESTERONE) OF CASPIAN VIMBA, VIMBA VIMBA AND SHEMAYA, ALBURNUS CHALCOIDES DURING SPAWNING PERIOD

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NIKOO M.; RAHMANI H.; GHOMI M.R.; ASADOLLAHPOUR A.; ZAREI M.; BAVAND E.

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Journal: Journal of Fisheries Year:2010 | Volume:63 | Issue:1 Page(s): 49-56

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Title

SERUM SEX STEROID HORMONES (TESTOSTERONE, 17β-ESTRADIOL AND PROGESTERONE) OF CASPIAN VIMBA, VIMBA VIMBA AND SHEMAYA, ALBURNUS CHALCOIDES DURING SPAWNING PERIOD

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Keywords

SEX STEROID HORMONESQ3

SPAWNING PHASEQ3

VALIABAD RIVERQ3

VIMBA VIMBAQ2

ALBURNUS CHALCOIDESQ2

Abstract

In this study, serum concentrations of SEX STEROID HORMONES (testosterone, 17b-estradiol (E2) and progesterone) of VIMBA VIMBA and ALBURNUS CHALCOIDES during SPAWNING PHASE in VALIABAD RIVER (Tonekabon, northern Iran) were studied by radioimmunoassay (RIA). Testosterone levels in gravid vimba and shemaya were 20.3±9.9 and 6.08±1.64 ngml-1 respectively, but in ripe females, its concentration was significantly lower (P<0.05). In both species E2 concentrations were at high levels during SPAWNING PHASE and in shemaya its levels in gravid and ripe fish were 90.85±6.4 and 112±6.4 ng/ml (P<0.05).Progesterone levels remained lower than 1 ng/ml in both species with non-significant difference between two groups. Based on the result, Caspian vimba and shemaya may be multiple spawner with protracted spawning period.

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APA: Copy

NIKOO, M., RAHMANI, H., GHOMI, M.R., ASADOLLAHPOUR, A., ZAREI, M., & BAVAND, E.. (2010). SERUM SEX STEROID HORMONES (TESTOSTERONE, 17β-ESTRADIOL AND PROGESTERONE) OF CASPIAN VIMBA, VIMBA VIMBA AND SHEMAYA, ALBURNUS CHALCOIDES DURING SPAWNING PERIOD. JOURNAL OF FISHERIES (IRANIAN JOURNAL OF NATURAL RESOURCES), 63(1), 49-56. SID. https://sid.ir/paper/161957/en

Vancouver: Copy

NIKOO M., RAHMANI H., GHOMI M.R., ASADOLLAHPOUR A., ZAREI M., BAVAND E.. SERUM SEX STEROID HORMONES (TESTOSTERONE, 17β-ESTRADIOL AND PROGESTERONE) OF CASPIAN VIMBA, VIMBA VIMBA AND SHEMAYA, ALBURNUS CHALCOIDES DURING SPAWNING PERIOD. JOURNAL OF FISHERIES (IRANIAN JOURNAL OF NATURAL RESOURCES)[Internet]. 2010;63(1):49-56. Available from: https://sid.ir/paper/161957/en

IEEE: Copy

M. NIKOO, H. RAHMANI, M.R. GHOMI, A. ASADOLLAHPOUR, M. ZAREI, and E. BAVAND, “SERUM SEX STEROID HORMONES (TESTOSTERONE, 17β-ESTRADIOL AND PROGESTERONE) OF CASPIAN VIMBA, VIMBA VIMBA AND SHEMAYA, ALBURNUS CHALCOIDES DURING SPAWNING PERIOD,” JOURNAL OF FISHERIES (IRANIAN JOURNAL OF NATURAL RESOURCES), vol. 63, no. 1, pp. 49–56, 2010, [Online]. Available: https://sid.ir/paper/161957/en

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