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Estradiol and testosterone hormones as a method for sex determination of Siberian sturgeon (Acipenser baerii) from Zhrebchevo Dam Lake, Bulgaria

Atanasoff, Alexander and Rusenov, Anton and Zapryanova, Dimitrinka and Lazarov, Lazarin and Urku, Cigdem and Nikolov, Galin (2023) Estradiol and testosterone hormones as a method for sex determination of Siberian sturgeon (Acipenser baerii) from Zhrebchevo Dam Lake, Bulgaria. DANUBIAN ANIMAL GENETIC RESOURCES, 8 (2). pp. 73-80. ISSN 2498-5910

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Abstract

Determination of the gender in sturgeon is very important in fish farmers, as sex is one of the main factors that determine aim of cultivating them. One of the method for maturation monitoring of sturgeons is steroid hormone analysis. On this base the current study used estradiol and testosterone hormones to determine the gender of 2- 3-year-old Siberian sturgeon (Acipenser baerii) cultivated in sturgeon broodstock farm located in the Zhrebchevo Dam lake, Bulgaria. The serum concentrations of circulating reproductive hormones found in the both sex were similar to the hormonal profiles in previously reports. The results were confirmed also by histological examination, which showed pre-vitellogenic stage (Stage I) in female and maturity (Stage V) at the male individuals. The findings indicate the force of current steroid hormones as a method for sex determination. In conclusion, analysis of circulating reproductive hormones may be a useful method in early determining the sex of Siberian sturgeon.

Item Type: Article
Uncontrolled Keywords: determination of gender, 17β-estradiol, sturgeon, testosterone
Subjects: Q Science / természettudomány > QL Zoology / állattan
Depositing User: Beáta Bavalicsné Kerekes
Date Deposited: 17 Oct 2023 12:49
Last Modified: 17 Oct 2023 12:49
URI: http://real.mtak.hu/id/eprint/176979

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