INFLUENCE OF SURFAGON INJECTIONS ON BIOCHEMICAL COMPOSITION OF BLOOD AND STRUCTURAL TRANSFORMATIONS OF OVARIES IN HYBRID FEMALES OF RUSSIAN STURGEON × LENA STURGEON (ACIPENSER GUELDENSTAEDTII BRANDT, 1833 × ACIPENSER BAERII BRANDT, 1869) IN RECIRCULATED AQUACULTURE SYSTEMS-Reference-Cited by-同舟云学术

INFLUENCE OF SURFAGON INJECTIONS ON BIOCHEMICAL COMPOSITION OF BLOOD AND STRUCTURAL TRANSFORMATIONS OF OVARIES IN HYBRID FEMALES OF RUSSIAN STURGEON × LENA STURGEON (ACIPENSER GUELDENSTAEDTII BRANDT, 1833 × ACIPENSER BAERII BRANDT, 1869) IN RECIRCULATED AQUACULTURE SYSTEMS

Published:2018-12-25 Issue: Volume: Page:117-131
ISSN:2073-5529
Container-title:Vestnik of Astrakhan State Technical University. Series: Fishing industry
language:en
Short-container-title:

Author:

Sorokina Marina Nikolaevna¹,Geraskin Petr Petrovich²,Grigoriev Vadim³,Dubovskaya Anisia Victorovna⁴,Levina Olga Aleksandrovna²,Metallov Gennadiy Fedorovich⁵,Ponomareva Elena Nikolaevna²

Affiliation:

1. Astrakhan State Technical University, Federal Research Centre The Southern Scientific Centre of the Russian Academy of Sciences

2. Astrakhan State Technical University

3. Southern Scientific Center of the Russian Academy of Sciences

4. Caspian Fisheries Research Institute

5. Southern Scientific Center of the Russian Academy of Sciences, Rostov-on-Don

Abstract

The article focuses on the special trend in technology of fish reproduction - use of a recirculated aquaculture system that allows creating optimum hydrological and hydrochemical parameters for a certain fish species regardless of the environmental conditions. Nevertheless, in the course of developing the new modifying factors of the environment (simulated conditions) the common orientation of a metabolism or separate biochemical reactions, in particular, generative exchange can be broken. It has been stated that dynamics of biochemical indexes of blood and urine characterizes intensity and orientation of generative exchange and allows to estimate possibility of structural transformations of fish ovaries. The analysis of the influence of a synthetic analog of hormone luliberin - surfagon on hybrid females of Russian × Lena sturgeon ( Acipenser guldenstadtii Brandt, 1833 × Аcipenser baerii Brandt , 1869) characterized by low fatness has revealed the stimulation of metabolic processes. During the research a low level of protein (16.0-28.0 g/l) under the influence of surfagon has increased by 35.0-38.0%. At the same time, throughout all experiment a high level of beta lipoproteins was observed in fishes of both pilot and control groups. Under the preparation impact the level of beta lipoproteins increased by 58.0% and 61.0% after injecting 0.2 mkg/kg and 2.0 mkg/kg of surfagon, respectively. The similar tendency was observed in the course of study of the hormones predecessor - cholesterol. Under the influence of surfagon in various doses there has been registered its increase from 1.3 g/l to 2.2-2.3 g/l. Thus, the surfagon injected groups of fish demonstrated a particular type of the biochemical status and reacted to hormonal stimulation under the low level of financial and energy resources. At the same time, histologic research hasn’t revealed cardinal changes in gonad morphology.

Publisher

Astrakhan State Technical University

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