Dynamics of biological indicators of recurrent caster-based hybrids (kaluga Huso dauricus × sterlet Acipenser ruthenus) (Acipenseridae)-Reference-Cited by-同舟云学术

Dynamics of biological indicators of recurrent caster-based hybrids (kaluga Huso dauricus × sterlet Acipenser ruthenus) (Acipenseridae)

Published:2024-07-31 Issue:2 Volume:2024 Page:32-41
ISSN:2073-5529
Container-title:Vestnik of Astrakhan State Technical University. Series: Fishing industry
language:en
Short-container-title:

Author:

Sviderskiy Viktor¹

Affiliation:

1. Far Eastern Technical Fisheries University

Abstract

Due to the lack of conditions for industrial sturgeon fishing in the near future, the current artificial reproduction programs play a leading role in replenishing sturgeon populations and commercial sturgeon breeding. It may take a long time to bring the number of individuals and the total biomass of sturgeon fish species in different water basins into proper condition. It is important, along with the implementation of programs for the stocking of young sturgeons of various types of natural habitats, to develop commercial cultivation. Modern aquaculture is the use of environmental control systems, timely feed supply, rapid growth of juveniles with a minimum feed ratio, high survival rate at all stages of growth, greater yield of edible body parts during processing. The dynamics of size and mass indices and the Fulton fatness coefficient in recurrent hybrids of different ages (K × St) are considered × K, (K × St) × St, (St × K) × K and (St × K) × St. It is noted that the fastest growing hybrids turned out to be returnable hybrids based on K × St, and the hybrid (St × K) × St has the highest fatness coefficient with a slight growth rate of weight and length.

Publisher

Astrakhan State Technical University

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