Study on sexual maturity and levels of gonad steroid hormones in female kutum Rutilus frisii kutum (Kamenskii, 1901) during spawning season from river Sefid-Rood of the southern Caspian sea
1Guilan. Islamic Azad University, Lahijan Branch. Researcher of young researchers club.
2Guilan, Fishing Technology Department, Mirza Kochak Vocation and Higher Education Center for Fisheries Sciences and Technology.
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