Agrocampus Ouest, UMR598, Animal Genetics, 35000 Rennes, France. Yuna.blum@rennes.inra.fr|Agrocampus Ouest, UMR598, Animal Genetics, 35000 Rennes, France. Yuna.blum@rennes.inra.fr|Agrocampus Ouest, UMR598, Animal Genetics, 35000 Rennes, France. Yuna.blum@rennes.inra.fr|Agrocampus Ouest, UMR598, Animal Genetics, 35000 Rennes, France. Yuna.blum@rennes.inra.fr