Unpublished conference/Abstract (Scientific congresses and symposiums)
Longitudinal effects of muscular hypertrophy allele on milk production traits during the lactation using a novel equivalent model when molecular information is limited
Colinet, Frédéric; Gengler, Nicolas
20109th World Congress on Genetics Applied to Livestock Production
 

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Keywords :
mh allele; Dual Purpose Belgian Blue; Milk production
Abstract :
[en] Given that the mh allele causes the double muscling phenotype, this allele could also influence milk production traits of the dual purpose Belgian Blue cattle. However, all dual purpose Belgian Blue animals could not be genotyped. So, a new alternative strategy for the prediction of gene effects and especially their smooth integration into genetic evaluations based on an equivalent method was developed from existing theory. Developed equations were modified to allow that not all animals were genotyped. As expected, the mh allele had negative effects on milk production traits. For the first three lactations, the average estimated allelic substitution effects were -0.074 % fat content and -158.7 kg milk per lactation (305 days). Moreover, effects of mh allele were not constant during the lactation.
Disciplines :
Genetics & genetic processes
Animal production & animal husbandry
Author, co-author :
Colinet, Frédéric ;  Université de Liège - ULiège > Sciences agronomiques > Zootechnie
Gengler, Nicolas  ;  Université de Liège - ULiège > Sciences agronomiques > Zootechnie
Language :
English
Title :
Longitudinal effects of muscular hypertrophy allele on milk production traits during the lactation using a novel equivalent model when molecular information is limited
Publication date :
August 2010
Event name :
9th World Congress on Genetics Applied to Livestock Production
Event place :
Leipzig, Germany
Event date :
du 1 août 2010 au 6 août 2010
Audience :
International
Funders :
SPW DG03-DGARNE - Service Public de Wallonie. Direction Générale Opérationnelle Agriculture, Ressources naturelles et Environnement [BE]
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since 16 August 2010

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