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STOCK-RAISING AND VETERINARY

EXPERIENCE OF REPRODUCTING STERLET IN THE CONDITIONS OF THE RGKP “URAL-ATYRAU STURGEON FISH FACTORY”

Shokhan Alpeisov 1 , Guldana Maratova 2 , Moldir Aubakirova 2 , Gulmira Ablaysanova 2

1 NJSC «Kazakh National Agrarian Research University» ; 2 LLP "Fisheries Research and Production Center"

doi.org/10.37884/2-2025/05 pp. 50-61 Admitted 10.04.2025 Published 30.06.2025

Abstract

The growing anthropogenic load on natural populations of aquatic organisms often leads to negative changes in their structure, a decrease in numbers, and sometimes even to complete extinction. The current situation with representatives of the sturgeon order is very indicative. Having a wide distribution area, these fish have lost commercial importance in many places of their traditional habitat. This can be explained by changes in the hydrological regime due to the regulation of most rivers and a sharp reduction in the areas of natural spawning grounds. Therefore, the issue of forming replacement broodstocks for the purpose of reproduction for stocking is very acute. Among the species of native sturgeon, sterlet attracts attention with a number of economic and biological features, such as precocity and residential lifestyle. Sterlet originally lived in Kazakhstani rivers, and the restoration of its populations will be quite organic in terms of restoring the original ichthyocenoses. In this regard, work is carried out in the conditions of the State Enterprise "Ural-Atyrau Sturgeon Fish Hatchery". In the conditions of the Republican State Enterprise “Ural-Atyrau Sturgeon Fish Hatchery”, the wintering and spring assessment of the sterlet replacement broodstock, the spawning campaign were analyzed, the domestication of sterlet producers was carried out, their condition was assessed according to fish-breeding biological indicators, and the conditions for keeping the sterlet replacement broodstock in acute respiratory conditions were analyzed. 

reproduction domestication sterlet acute respiratory infections caviar replacement broodstock fertility grading hormonal stimulation

01 Introduction

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02 References

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Citation Links

[1]2025. EXPERIENCE OF REPRODUCTING STERLET IN THE CONDITIONS OF THE RGKP “URAL-ATYRAU STURGEON FISH FACTORY”. Izdenister natigeler. 2 (106) (Jun. 2025), 50–61. DOI:https://doi.org/10.37884/2-2025/05.
(1)EXPERIENCE OF REPRODUCTING STERLET IN THE CONDITIONS OF THE RGKP “URAL-ATYRAU STURGEON FISH FACTORY.” Izdenister natigeler 2025, No. 2 (106), 50-61. https://doi.org/10.37884/2-2025/05.
EXPERIENCE OF REPRODUCTING STERLET IN THE CONDITIONS OF THE RGKP “URAL-ATYRAU STURGEON FISH FACTORY”. (2025). Izdenister Natigeler, 2 (106), 50-61. https://doi.org/10.37884/2-2025/05
EXPERIENCE OF REPRODUCTING STERLET IN THE CONDITIONS OF THE RGKP “URAL-ATYRAU STURGEON FISH FACTORY”. Izdenister natigeler, [S. l.], n. 2 (106), p. 50–61, 2025. DOI: 10.37884/2-2025/05. Disponível em: https://kazvetjournal.kaznaru.edu.kz/index.php/research/article/view/932. Acesso em: 15 sep. 2026.
“EXPERIENCE OF REPRODUCTING STERLET IN THE CONDITIONS OF THE RGKP ‘URAL-ATYRAU STURGEON FISH FACTORY’”. 2025. Izdenister Natigeler, no. 2 (106) (June): 50-61. https://doi.org/10.37884/2-2025/05.
“EXPERIENCE OF REPRODUCTING STERLET IN THE CONDITIONS OF THE RGKP ‘URAL-ATYRAU STURGEON FISH FACTORY’” (2025) Izdenister natigeler, (2 (106), pp. 50–61. doi:10.37884/2-2025/05.
[1]“EXPERIENCE OF REPRODUCTING STERLET IN THE CONDITIONS OF THE RGKP ‘URAL-ATYRAU STURGEON FISH FACTORY’”, Izdenister natigeler, no. 2 (106), pp. 50–61, Jun. 2025, doi: 10.37884/2-2025/05.
“EXPERIENCE OF REPRODUCTING STERLET IN THE CONDITIONS OF THE RGKP ‘URAL-ATYRAU STURGEON FISH FACTORY’”. Izdenister Natigeler, no. 2 (106), June 2025, pp. 50-61, https://doi.org/10.37884/2-2025/05.
“EXPERIENCE OF REPRODUCTING STERLET IN THE CONDITIONS OF THE RGKP ‘URAL-ATYRAU STURGEON FISH FACTORY’”. Izdenister natigeler, no. 2 (106) (June 30, 2025): 50–61. Accessed September 15, 2026. https://kazvetjournal.kaznaru.edu.kz/index.php/research/article/view/932.
1.EXPERIENCE OF REPRODUCTING STERLET IN THE CONDITIONS OF THE RGKP “URAL-ATYRAU STURGEON FISH FACTORY”. Izdenister natigeler [Internet]. 2025 Jun. 30 [cited 2026 Sep. 15];(2 (106):50-61. Available from: https://kazvetjournal.kaznaru.edu.kz/index.php/research/article/view/932
1.EXPERIENCE OF REPRODUCTING STERLET IN THE CONDITIONS OF THE RGKP “URAL-ATYRAU STURGEON FISH FACTORY.” Izdenister natigeler. 2025;(2 (106):50-61. doi:10.37884/2-2025/05