Reference : Amélioration des performances génétiques des races tropicales par les races wallonnes.
Scientific congresses and symposiums : Unpublished conference
Life sciences : Agriculture & agronomy
http://hdl.handle.net/2268/132231
Amélioration des performances génétiques des races tropicales par les races wallonnes.
French
[en] Genetic improvement of tropical breeds by local breeds of Wallonia.
Leroy, Pascal mailto [Université de Liège - ULg > Département de productions animales > Biostatistique, économie, sélection animale >]
Moula, Nassim [Université de Liège - ULg > Département de productions animales > Département de productions animales >]
Huart, Alain []
Leroy, Emile mailto [Université de Liège - ULg > > Institut vétérinaire tropical >]
Cassart, Renaud mailto [Université de Liège - ULg > Département de productions animales > Biostatistique, économie, sélection animale >]
Ruppol, Patrick mailto [Université de Liège - ULg > Sciences agronomiques > Zootechnie >]
Levrard, Olivier []
ElFadili, Moussa []
Dang Vu Binh []
Nguyen Van Thang []
Do Duc, Luc mailto [Université de Liège - ULg > > > Doct. sc. vété. (Bologne)]
Nfundico, Désiré []
Nienhaus, Benoit []
Antoine-Moussiaux, Nicolas mailto [Université de Liège - ULg > Département de productions animales > Biostatistique, économie, sélection animale >]
Farnir, Frédéric mailto [Université de Liège - ULg > Département de productions animales > Biostatistiques et bioinformatique appliquées aux sc. vétér. >]
25-Aug-2012
No
Yes
International
15ème Journée Outre-mer
25 aout 2012
Gembloux Agro-Bio Tech
Gembloux
Belgique
[en] Genetics Selection ; Livestock ; Tropics
[en] As part of the genetic improvement of production, selection of breeds (purebred selection) on the one hand and crossbreeding, exploiting the complementarity between breeds and hybrid vigor or heterosis other hand, are methods choice used by animal husbandry.
The pure breeding as practiced in the developed world, based on the individual performance of breeding as well as the placement of the offspring, uses expensive infrastructure and significant human resources. In addition, genetic progress is slow and must be sustained effort.
For all these reasons, in the less favored regions of the world, although the intra-breed selection is operational, most stakeholders are most often uses the crossbreeding technique leading to immediate results and protecting local breeds.
Thus, in dairy cattle, many countries have used the Holstein, Brown in the Alps, and the Montbéliarde Normande with varying success.
In the meat sector, in cattle, swine and sheep, as well as in the area of ​​poultry meat, crossing indigenous breeds with exotic breeds imported leads to interesting results.
In the Walloon Region, due to the hard work of breeders, animals have emerged exceptional and, in cattle, swine and sheep, they are in fact, more muscular animals in the world. Thus, bulls Belgian Blue reared under natural conditions, have average daily gains as high as 2000 g / d with yields close to slaughter 70% Pietrain pigs reach values ​​of the performance slaughter of around 83% and the yield values ​​as high as 59% were observed in Texel sheep. All these animals have the characteristic of being very efficient while presenting carcasses with more muscle, less fat and less bone.
As for local poultry type Ardennaise, it has remarkable phenotypes leading to immediate traceability (black members), more than 150 eggs per clutch and a darker meat.The author gives in detail examples of the use of crossbreeding with cattle, sheep, pig and poultry all originated from the Walloon Region of Belgium.
Researchers ; Professionals
http://hdl.handle.net/2268/132231

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