Article (Scientific journals)
Relationships among estimates of inbreeding depression, dominance and additive variance for linear traits in Holsteins
Misztal, I.; Lawlor, T. J.; Gengler, Nicolas
1997In Genetics, Selection, Evolution, 29 (4), p. 319-326
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Keywords :
type traits; dominance; inbreeding; variance components
Abstract :
[en] Estimates of dominance and additive variances were obtained for 14 linear traits. The data included 600 678 first parity records on 14 linear traits in Holsteins. The model included management groups, age at calving, additive and dominance effects, and regression on inbreeding percentage. The estimate of the dominance variance was 9.8% of the phenotypic variance for body depth: 8.0% for strength, 6.9% for stature, and was less than 5% for the remaining traits. The additive variance ranged from 12.2% for foot angle to 45.3% for stature. No clear relationship was found between the estimates of dominance and additive variance. larger negative estimates of the inbreeding depression were associated with higher estimates of the dominance variance.
Disciplines :
Genetics & genetic processes
Animal production & animal husbandry
Author, co-author :
Misztal, I.
Lawlor, T. J.
Gengler, Nicolas  ;  Université de Liège - ULiège > Gembloux Agro-Bio Tech > Gembloux Agro-Bio Tech
Language :
English
Title :
Relationships among estimates of inbreeding depression, dominance and additive variance for linear traits in Holsteins
Publication date :
1997
Journal title :
Genetics, Selection, Evolution
ISSN :
0999-193X
eISSN :
1297-9686
Publisher :
EDP Sciences, Les Ulis, France
Volume :
29
Issue :
4
Pages :
319-326
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 17 September 2009

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