About: Simultaneous estimation of genetic parameters for production and litter size traits in Czech Large White and Czech Landrace pigs

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Attributes	Values
rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
rdfs:seeAlso	http://www.agriculturejournals.cz/publicFiles/99612.pdf
Description	Genetic parameters for total number of piglets born per litter, number of piglets weaned per litter, lean meat content, and average daily gain from birth till the end of the field test were estimated for Czech Large White (445 589 records) and Czech Landrace (149 057 records) pigs using a four-trait animal model. The following heritabilities were estimated (first number: Large White, second number: Landrace): 0,10 ± 0,004 and 0,09 ± 0,007 for total number born, 0,09 ± 0,005 and 0,07 ± 0,008 for number weaned, 0,39 ± 0,004 and 0,36 ± 0,009 for lean meat content, 0,21 ± 0,004 and 0,18 ± 0,006 for daily gain. The highest genetic correlation (approximately 0,85 in both breeds) was estimated between both litter size traits. In Czech Landrace, all remaining genetic correlations were < 0,20 in their absolute value. Negative correlations of approximately 0,25 were estimated in Czech Large White between daily gain and both reproduction traits. All remaining correlations in Czech Large White were also < 0,20 in their absolute value. The estimated non-zero correlations between production and reproduction traits are, besides of other arguments, one reason to recommend a joint genetic evaluation of production and reproduction traits. If more than one litter trait is included in the genetic evaluation, repeatability models should be used instead of separate treating the first and the second and subsequent litters, this is because of the high correlations among litter size traits which are expected to cause numerical problems if multi-parity models are used. Genetic parameters for total number of piglets born per litter, number of piglets weaned per litter, lean meat content, and average daily gain from birth till the end of the field test were estimated for Czech Large White (445 589 records) and Czech Landrace (149 057 records) pigs using a four-trait animal model. The following heritabilities were estimated (first number: Large White, second number: Landrace): 0,10 ± 0,004 and 0,09 ± 0,007 for total number born, 0,09 ± 0,005 and 0,07 ± 0,008 for number weaned, 0,39 ± 0,004 and 0,36 ± 0,009 for lean meat content, 0,21 ± 0,004 and 0,18 ± 0,006 for daily gain. The highest genetic correlation (approximately 0,85 in both breeds) was estimated between both litter size traits. In Czech Landrace, all remaining genetic correlations were < 0,20 in their absolute value. Negative correlations of approximately 0,25 were estimated in Czech Large White between daily gain and both reproduction traits. All remaining correlations in Czech Large White were also < 0,20 in their absolute value. The estimated non-zero correlations between production and reproduction traits are, besides of other arguments, one reason to recommend a joint genetic evaluation of production and reproduction traits. If more than one litter trait is included in the genetic evaluation, repeatability models should be used instead of separate treating the first and the second and subsequent litters, this is because of the high correlations among litter size traits which are expected to cause numerical problems if multi-parity models are used. (en)
Title	Simultaneous estimation of genetic parameters for production and litter size traits in Czech Large White and Czech Landrace pigs Simultaneous estimation of genetic parameters for production and litter size traits in Czech Large White and Czech Landrace pigs (en)
skos:prefLabel	Simultaneous estimation of genetic parameters for production and litter size traits in Czech Large White and Czech Landrace pigs Simultaneous estimation of genetic parameters for production and litter size traits in Czech Large White and Czech Landrace pigs (en)
skos:notation	RIV/00027014:_____/13:#0001865!RIV14-MZE-00027014
http://linked.open...avai/predkladatel	Výzkumný ústav živočišné výroby, v.v.i.
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(QJ1310109), Z(MZE0002701404)
http://linked.open...iv/cisloPeriodika	9
http://linked.open...vai/riv/dodaniDat	2014
http://linked.open...aciTvurceVysledku	Krupa, Emil Wolf, Jochen
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Výzkumný ústav živočišné výroby, v.v.i.
http://linked.open...dnocenehoVysledku	105307
http://linked.open...ai/riv/idVysledku	RIV/00027014:_____/13:#0001865
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	total number of piglets born, number of piglets weaned, lean meat content, average daily gain, heritability, genetic correlation, REML (en)
http://linked.open.../riv/klicoveSlovo	number of piglets weaned total number of piglets born REML heritability genetic correlation average daily gain lean meat content
http://linked.open...odStatuVydavatele	CZ - Česká republika
http://linked.open...ontrolniKodProRIV	[AB37A0C3FF0B]
http://linked.open...i/riv/nazevZdroje	Czech Journal of Animal Science
http://linked.open...in/vavai/riv/obor	GI
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	2 (xsd:int)
http://linked.open...vavai/riv/projekt	Optimization of the Czech pig breeding program with special regard to reproduction and functional traits
http://linked.open...UplatneniVysledku	2013
http://linked.open...v/svazekPeriodika	58
http://linked.open...iv/tvurceVysledku	Wolf, Jochen Krupa, Emil
http://linked.open...ain/vavai/riv/wos	000326145600006
http://linked.open...n/vavai/riv/zamer	Udržitelný rozvoj chovu hospodářských zvířat v evropském modelu multifunkčního zemědělství
issn	1212-1819
number of pages	8 (xsd:int)

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