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Statements

Subject Item
n2:RIV%2F00027014%3A_____%2F01%3A00000318%21RIV%2F2002%2FMZE%2FM02002%2FN
rdf:type
skos:Concept n16:Vysledek
dcterms:description
The genetic gain of pig breeds used in a three-way crossing system and the total return from one round of selection were calculated for five aggregate genotypes (AG). For AG 1, the %22true%22 economic weights were used calculated as the product of the marginal economic values and the number of discounted expressions (NDE) for each trait and each selection group; in AG 2, the differences in NDE between the selection groups within breeds were neglected; in AG 3 and AG 4 the differences in NDE between dam breen dam breeds were omitted using the weights for breed A or B, respectively; marginal economic values were used for all breeds in AG 5. The traits in the aggregate genotypes were daily gain (ADG), weight of valuable cuts and piglets born alive (NBA). The differences in the total return among the alternatives were maximally 2.5 %. But compared to %22true%22 weighting in AG 1, there were losses up to 25 % in genetic gain for ADG in dam breed B (AG 3), for NBA in dam breed A (AG 4) and for NBA in both dam breed The genetic gain of pig breeds used in a three-way crossing system and the total return from one round of selection were calculated for five aggregate genotypes (AG). For AG 1, the %22true%22 economic weights were used calculated as the product of the marginal economic values and the number of discounted expressions (NDE) for each trait and each selection group; in AG 2, the differences in NDE between the selection groups within breeds were neglected; in AG 3 and AG 4 the differences in NDE between dam breen dam breeds were omitted using the weights for breed A or B, respectively; marginal economic values were used for all breeds in AG 5. The traits in the aggregate genotypes were daily gain (ADG), weight of valuable cuts and piglets born alive (NBA). The differences in the total return among the alternatives were maximally 2.5 %. But compared to %22true%22 weighting in AG 1, there were losses up to 25 % in genetic gain for ADG in dam breed B (AG 3), for NBA in dam breed A (AG 4) and for NBA in both dam breed
dcterms:title
Impact of incorrect weighting of traits in the aggregate genotype of pigs on genetic gain Impact of incorrect weighting of traits in the aggregate genotype of pigs on genetic gain
skos:prefLabel
Impact of incorrect weighting of traits in the aggregate genotype of pigs on genetic gain Impact of incorrect weighting of traits in the aggregate genotype of pigs on genetic gain
skos:notation
RIV/00027014:_____/01:00000318!RIV/2002/MZE/M02002/N
n3:strany
474-480
n3:aktivita
n17:Z
n3:aktivity
Z(MZE-M02-99-02)
n3:cisloPeriodika
11
n3:dodaniDat
n15:2002
n3:domaciTvurceVysledku
n4:1368397 Wolf, Jochen
n3:druhVysledku
n8:J
n3:duvernostUdaju
n5:S
n3:entitaPredkladatele
n12:predkladatel
n3:idSjednocenehoVysledku
682447
n3:idVysledku
RIV/00027014:_____/01:00000318
n3:jazykVysledku
n13:eng
n3:klicovaSlova
pig; crossbreeding schemes; economic weights; aggregate genotype; genetic gain; gene flow
n3:klicoveSlovo
n7:genetic%20gain n7:crossbreeding%20schemes n7:aggregate%20genotype n7:economic%20weights n7:gene%20flow n7:pig
n3:kodStatuVydavatele
CZ - Česká republika
n3:kontrolniKodProRIV
[0CC610C247AA]
n3:nazevZdroje
Czech Journal of Animal Science
n3:obor
n9:GI
n3:pocetDomacichTvurcuVysledku
2
n3:pocetTvurcuVysledku
3
n3:pocetUcastnikuAkce
0
n3:pocetZahranicnichUcastnikuAkce
0
n3:rokUplatneniVysledku
n15:2001
n3:svazekPeriodika
46
n3:tvurceVysledku
Wolf, Jochen Nitter, Gerhard Wolfová, Marie
n3:zamer
n14:MZE-M02-99-02
s:issn
1212-1819
s:numberOfPages
7