1. GenPhySE, Université de Toulouse, INRAE, ENVT, Castanet Tolosan, France.
2. France Génétique Porc, 35651 Le Rheu, France.
3. Animal Breeding and Genetics Program, Institute of Agriculture and Food Research and Technology (IRTA), Barcelona, Spain.
4. IFIP-Institut du Porc, 35650 Le Rheu, France.
5. CIRAD, BIOS, UMR AGAP, Montpellier, France.