The heterosis estimates for growth and survival traits in sterlet and Siberian sturgeon purebreds and hybrids

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60076658%3A12520%2F20%3A43900876" target="_blank" >RIV/60076658:12520/20:43900876 - isvavai.cz</a>

Výsledek na webu

<a href="https://doi.org/10.1111/jai.14034" target="_blank" >https://doi.org/10.1111/jai.14034</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1111/jai.14034" target="_blank" >10.1111/jai.14034</a>

Jazyk výsledku

angličtina

Název v původním jazyce

The heterosis estimates for growth and survival traits in sterlet and Siberian sturgeon purebreds and hybrids

Popis výsledku v původním jazyce

The aim of the present study was to estimate and compare the growth and survival traits of the hybrids and purebreds produced by crossing the Siberian sturgeon (Acipenser baerii) (S) and sterlet (Acipenser ruthenus) (St) in order to determine the heterosis effect in the F1 generation. We compared the breeding conditions, mean body weight (BW) and cumulative survival in the artificially produced hybrid crosses of sterlet and Siberian sturgeon with respect to their pure parental species in indoor and outdoor aquaculture systems at different developmental stages. Fertilization and hatching rates were found to be significantly higher in S x S purebred compared to St x S hybrid. The highest values of BW were recorded in St x S hybrid (557.54 +/- 179.7 g) on 862 days post-hatch (dph) while the highest cumulative survival was recorded in S x S purebred (14.3%). The recorded cumulative survival and mean BW was significantly lower in St x St purebred. The highest positive heterosis was recorded for mean BW of St x S hybrid (51.3% on 862 dph) throughout the sampling points. The studied sturgeon hybrids had higher mean BW compared to St x St purebred under suboptimal rearing conditions. Although there was no clear demonstration of the superiority in performance of reciprocal hybrids over purebreds, the St x S hybrid can be used for achieving better productivity in aquaculture systems.

Název v anglickém jazyce

The heterosis estimates for growth and survival traits in sterlet and Siberian sturgeon purebreds and hybrids

Popis výsledku anglicky

The aim of the present study was to estimate and compare the growth and survival traits of the hybrids and purebreds produced by crossing the Siberian sturgeon (Acipenser baerii) (S) and sterlet (Acipenser ruthenus) (St) in order to determine the heterosis effect in the F1 generation. We compared the breeding conditions, mean body weight (BW) and cumulative survival in the artificially produced hybrid crosses of sterlet and Siberian sturgeon with respect to their pure parental species in indoor and outdoor aquaculture systems at different developmental stages. Fertilization and hatching rates were found to be significantly higher in S x S purebred compared to St x S hybrid. The highest values of BW were recorded in St x S hybrid (557.54 +/- 179.7 g) on 862 days post-hatch (dph) while the highest cumulative survival was recorded in S x S purebred (14.3%). The recorded cumulative survival and mean BW was significantly lower in St x St purebred. The highest positive heterosis was recorded for mean BW of St x S hybrid (51.3% on 862 dph) throughout the sampling points. The studied sturgeon hybrids had higher mean BW compared to St x St purebred under suboptimal rearing conditions. Although there was no clear demonstration of the superiority in performance of reciprocal hybrids over purebreds, the St x S hybrid can be used for achieving better productivity in aquaculture systems.

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

—

OECD FORD obor

10603 - Genetics and heredity (medical genetics to be 3)

Projekt

Výsledek vznikl pri realizaci vícero projektů. Více informací v záložce Projekty.

Návaznosti

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Rok uplatnění

2020

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

Journal of Applied Ichthyology

ISSN

0175-8659

e-ISSN

—

Svazek periodika

36

Číslo periodika v rámci svazku

3

Stát vydavatele periodika

DE - Spolková republika Německo

Počet stran výsledku

8

Strana od-do

267-274

Kód UT WoS článku

000521445900001

EID výsledku v databázi Scopus

2-s2.0-85082771968