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Plastic and meristic features of the hybrid “lenbel” (F1 Acipenser baerii × Huso huso) under cultivation

https://doi.org/10.37663/0131-6184-2022-4-50-57

Abstract

   The hybrid of sturgeon "lenbel" (F1 ♀ Acipenser baerii × ♂ Huso huso) was studied by conventional methods for a complex of plastic and meristic signs. It was found that only the horizontal diameter of the eye (O), the greatest height of the head (HC), the distance from the end of the rostrum to the base of the middle antennae (rc) and to the cartilaginous arch of the mouth (rr), the width of the snout at the cartilaginous arch of the mouth (SRr), the width of the mouth (SO) and the width of the break of the lower lip (il) for hybrid and beluga, and the width of the lower lip break (il) and the width of the snout at the base of the middle antennae (SRc) for hybrid and Siberian sturgeon have a transgression index of less than 67 %, and can be used to identify the hybrid form. The beluga fingerlings were largely consolidated, and therefore united into a single cluster. Siberian sturgeon and hybrid also form two clearly differentiated clusters, but the intra-group divergence of the hybrid is slightly higher than that of the original forms. In hybrid fingerlings, relative plastic and meristic signs are not related to body size and remain constant during the growing period, that is, they may be specific to it. It is shown that some head measurements can be used for confident identification of the hybrid.

About the Authors

A. G. Novosadov
VNIRO
Russian Federation

Candidate of Biological Sciences, Leading Researcher

Department of Fisheries Regulation

Moscow



A. V. Novosadova
VNIRO Federal State Budgetary Institution
Russian Federation

Candidate of Biological Sciences, senior researcher

Technological Rationing Department

Moscow



A. V. Zhigin
VNIRO; K.A. Timiryazev Russian State Agricultural Academy
Russian Federation

Doctor of Agricultural Sciences, Professor, Chief Researcher, Professor of the Department

Department of Invertebrate Aquaculture; Department of Aquaculture and Beekeeping

Moscow



A. V. Labenets
FSBI "TSUREN"
Russian Federation

Candidate of Agricultural Sciences, senior researcher, leading specialist

Department of Fisheries Expertise of Structures and Technologies that affect the VBR and their habitat

Moscow



E. V. Bubunets
FSBI "TSUREN"; FSUE HE "RGAU-MSHA named after K.A. Timiryazev"
Russian Federation

Doctor of Agricultural Sciences, Head of the Department, Associate Professor

Department of Fisheries Expertise of structures and Technologies that affect the VBR and their habitat; Department of Aquaculture and Beekeeping

Moscow



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Review

For citations:


Novosadov A.G., Novosadova A.V., Zhigin A.V., Labenets A.V., Bubunets E.V. Plastic and meristic features of the hybrid “lenbel” (F1 Acipenser baerii × Huso huso) under cultivation. Fisheries. 2022;(4):50-57. (In Russ.) https://doi.org/10.37663/0131-6184-2022-4-50-57

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ISSN 0131-6184 (Print)

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