Estimation of (Co)Variance Components for Age at First Farrowing and Farrowing Interval in Czech Large White

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00027014%3A_____%2F16%3AN0000099" target="_blank" >RIV/00027014:_____/16:N0000099 - isvavai.cz</a>

Výsledek na webu

<a href="http://www.vuzv.cz/sites/File/_privat/16100.pdf" target="_blank" >http://www.vuzv.cz/sites/File/_privat/16100.pdf</a>

DOI - Digital Object Identifier

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Jazyk výsledku

angličtina

Název v původním jazyce

Estimation of (Co)Variance Components for Age at First Farrowing and Farrowing Interval in Czech Large White

Popis výsledku v původním jazyce

We aimed to estimate the variance and covariance components for the original and transformed age at the first far­rowing (AFF) and farrowing interval in this study. The data from 25,094 sows (77,544 observations) of the Czech Large White pig breed between January 2000 and December 2015 provided by Czech Pig Breeders Association were used for the analyses. Data higher than the median were only transformed. The farrowing interval was evaluated separately from the first to the fourth parity (FI1-FI4). The heritabilities for the original traits were very low: 0.17, 0.11, 0.07, 0.06, and 0.06 for AFF and FI1-FI4, whereas those for the transformed traits were higher: 0.19, 0.14, 0.11, 0.11, and 0.12 for AFF and FI1-FI4, respectively. The phenotypic correlations between the traits were low, but significant. The estimated genetic correlations between all the farrowing intervals were clearly lower than one, indicating that all the farrowing intervals should be treated as different traits. Using the transformation procedure decreased the skewness and kurtosis of the original data in our study. The heritabilities of the analysed farrowing intervals were only increased owing to the transformation

Název v anglickém jazyce

Estimation of (Co)Variance Components for Age at First Farrowing and Farrowing Interval in Czech Large White

Popis výsledku anglicky

We aimed to estimate the variance and covariance components for the original and transformed age at the first far­rowing (AFF) and farrowing interval in this study. The data from 25,094 sows (77,544 observations) of the Czech Large White pig breed between January 2000 and December 2015 provided by Czech Pig Breeders Association were used for the analyses. Data higher than the median were only transformed. The farrowing interval was evaluated separately from the first to the fourth parity (FI1-FI4). The heritabilities for the original traits were very low: 0.17, 0.11, 0.07, 0.06, and 0.06 for AFF and FI1-FI4, whereas those for the transformed traits were higher: 0.19, 0.14, 0.11, 0.11, and 0.12 for AFF and FI1-FI4, respectively. The phenotypic correlations between the traits were low, but significant. The estimated genetic correlations between all the farrowing intervals were clearly lower than one, indicating that all the farrowing intervals should be treated as different traits. Using the transformation procedure decreased the skewness and kurtosis of the original data in our study. The heritabilities of the analysed farrowing intervals were only increased owing to the transformation

Druh

D - Stať ve sborníku

CEP obor

GI - Šlechtění a plemenářství hospodářských zvířat

OECD FORD obor

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Projekt

<a href="/cs/project/QJ1310109" target="_blank" >QJ1310109: Optimalizace Českého národního programu pro šlechtění prasat se zvláštním ohledem na funkční a reprodukční znaky</a><br>

Návaznosti

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

Rok uplatnění

2016

Kód důvěrnosti údajů

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

Název statě ve sborníku

24th Int. Symposium Animal Science Days

ISBN

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ISSN

1581-9175

e-ISSN

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Počet stran výsledku

6

Strana od-do

183-188

Název nakladatele

Acta agriculturae Slovenica

Místo vydání

Ljubljana

Místo konání akce

Ljubljana

Datum konání akce

21. 9. 2016

Typ akce podle státní příslušnosti

EUR - Evropská akce

Kód UT WoS článku

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