About: Impact of crossing system on relative economic weights of traits in purebred pig populations

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An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The influence of the following three factors on the relation of standardised and discounted economic weights (SDEW) for reproduction and production traits was investigated: (i) the position of breeds in the crossing system, (ii) the use of breed-sex groups for mating in different tiers and (iii) the level of the management input parameters. The SDEW for each trait was calculated as the product of the marginal economic value, the genetic standard deviation and the number of discounted expressions. The rons. The ratio of SDEW for reproduction traits to SDEW for production traits was from 3:1 to 3.7:1 which is about twice the value of the corresponding ratio of undiscounted standardized economic weights (1.7:1). In each breed-sex group, there were significant differences in the SDEWR (up to 24%) dependent on the use of this group for mating in different tiers within a given crossing system or in different crossing systems. Changes in the management parameters had only a minor impact on the SDEWR. The influence of the following three factors on the relation of standardised and discounted economic weights (SDEW) for reproduction and production traits was investigated: (i) the position of breeds in the crossing system, (ii) the use of breed-sex groups for mating in different tiers and (iii) the level of the management input parameters. The SDEW for each trait was calculated as the product of the marginal economic value, the genetic standard deviation and the number of discounted expressions. The rons. The ratio of SDEW for reproduction traits to SDEW for production traits was from 3:1 to 3.7:1 which is about twice the value of the corresponding ratio of undiscounted standardized economic weights (1.7:1). In each breed-sex group, there were significant differences in the SDEWR (up to 24%) dependent on the use of this group for mating in different tiers within a given crossing system or in different crossing systems. Changes in the management parameters had only a minor impact on the SDEWR. (en)
Title	Impact of crossing system on relative economic weights of traits in purebred pig populations Impact of crossing system on relative economic weights of traits in purebred pig populations (en)
skos:prefLabel	Impact of crossing system on relative economic weights of traits in purebred pig populations Impact of crossing system on relative economic weights of traits in purebred pig populations (en)
skos:notation	RIV/00027014:_____/01:00000226!RIV/2002/MZE/M02002/N
http://linked.open.../vavai/riv/strany	389-402
http://linked.open...avai/riv/aktivita	Z
http://linked.open...avai/riv/aktivity	Z(MZE-M02-99-02)
http://linked.open...iv/cisloPeriodika	6
http://linked.open...vai/riv/dodaniDat	2002
http://linked.open...aciTvurceVysledku	Wolfová, Marie Fiedler, Jaromír 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	682439
http://linked.open...ai/riv/idVysledku	RIV/00027014:_____/01:00000226
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	pig; crossbreeding schemes; economic weights; breeding objective (en)
http://linked.open.../riv/klicoveSlovo	economic weights pig breeding objective crossbreeding schemes
http://linked.open...odStatuVydavatele	DE - Spolková republika Německo
http://linked.open...ontrolniKodProRIV	[B7EC800354F5]
http://linked.open...i/riv/nazevZdroje	Journal of Animal Breeding and Genetics
http://linked.open...in/vavai/riv/obor	GI
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...ocetUcastnikuAkce	0 (xsd:int)
http://linked.open...nichUcastnikuAkce	0 (xsd:int)
http://linked.open...UplatneniVysledku	2001
http://linked.open...v/svazekPeriodika	118
http://linked.open...iv/tvurceVysledku	Wolf, Jochen Wolfová, Marie Fiedler, Jaromír Nitter, Gerhard
http://linked.open...n/vavai/riv/zamer	Genetics and Breeding of Farm Animals: Quantitative, Population and Molecular Genetics in an Integrated System of Breeding Farm Animals.
issn	0931-2668
number of pages	4 (xsd:int)

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