Relationships between polledness and traits used in the breeding objectives for German Fleckvieh

aptitud lechera aptitude pour la viande bovin breeding value bulls carcass composition cattle composition de la carcasse contenido proteico corne cow milk cuernos fenotipos fertilidad fertilite fertility gain de poids ganado bovino ganancia de peso genotipos genotypes horns lait de vache leche de vaca lipid content meat performance milk performance performance de reproduction phenotypes protein content reproductive performance reproductividad selection criteria taureau teneur en lipides toro weight gain