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Titolo:
LONG-TERM SELECTION FOR ANTAGONISTIC TRAITS
Autore:
MOHAMED SA; ROTTMANN O; PIRCHNER F;
Indirizzi:
TECH UNIV MUNICH,LEHRSTUHL TIERZUCHT D-8050 FREISING GERMANY
Titolo Testata:
Journal of animal breeding and genetics
fascicolo: 4, volume: 115, anno: 1998,
pagine: 307 - 311
SICI:
0931-2668(1998)115:4<307:LSFAT>2.0.ZU;2-3
Fonte:
ISI
Lingua:
ENG
Soggetto:
BODY-WEIGHT TRAITS; INDEXES; GROWTH; MICE;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
15
Recensione:
Indirizzi per estratti:
Citazione:
S.A. Mohamed et al., "LONG-TERM SELECTION FOR ANTAGONISTIC TRAITS", Journal of animal breeding and genetics, 115(4), 1998, pp. 307-311

Abstract

Within family selection for 3-5 week gain (G3-5) and against 8-week weight (BW8) was practiced for 54 generations in a mouse line of eight full-sib families per generation. The genetic correlation was 0.56 between the two traits, and rate of selection was intended to be 25 %. The selection index derived from the realized parameters of the first generations of the experiment was -0.63 x BW8 + 1.0 x G3-5. Selection was successful insofar as it changed the traits in the desired directions, but this was achieved at considerable costs, i.e. gains were 10 to 15 % of gains of direct, unimpeded selection.

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Documento generato il 26/09/20 alle ore 07:27:20