Article (Scientific journals)
Is It Possible to Define a European Total Merit Index?
Vanderick, Sylvie; Faux, Pierre; Gengler, Nicolas
2012In Interbull Bulletin, 44, p. 95-99
 

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Keywords :
Genetic Evaluation; Production Traits
Abstract :
[en] Developing a common European bull list is an objective of the PROTEJE (PROduction Traits European Joint Evaluation) workgroup started in 2001 as an initiative of the European Holstein herdbooks. Six Total Merit Indexes were compared to define a common breeding goal across Europe. A principal component analysis was used to observe the direction of the largest common variation among the studied Total Merit Indexes. Results showed that the considered indexes had a lot in common. The first principal component explained 86% of the total variation. Based on previous researches establishing combined proofs on a European phantom scale for most traits and trait groups and using a multiple regression for this European Total Merit Index, relative emphases on production and functionality of 37% and on conformation of 26% could be established.
Disciplines :
Genetics & genetic processes
Animal production & animal husbandry
Author, co-author :
Vanderick, Sylvie  ;  Université de Liège - ULiège > Sciences agronomiques > Zootechnie
Faux, Pierre ;  Université de Liège - ULiège > Sciences agronomiques > Zootechnie
Gengler, Nicolas  ;  Université de Liège - ULiège > Sciences agronomiques > Zootechnie
Language :
English
Title :
Is It Possible to Define a European Total Merit Index?
Alternative titles :
[en] Est-il possible de définir un index de synthèse génétique à l'échelle européenne?
Publication date :
2012
Journal title :
Interbull Bulletin
ISSN :
1011-6079
eISSN :
2001-340X
Publisher :
International Bull Evaluation Service (Interbull), Uppsala, Sweden
Volume :
44
Pages :
95-99
Name of the research project :
PROduction Traits European Joint Evaluation (PROTEJE)
Available on ORBi :
since 29 September 2011

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