[Can we alter fat quantity and fat composition in animal products through breeding?]

acide gras alimentos alimentos sanos animal breeding animal performance animal products calidad cerdo contenido proteico cows fatty acids foods genetic variation health foods human nutrition lipid content measurement mejoramiento animal mesure noruega norway nutrition humaine performance animale porcin productos de origen animal produit alimentaire produit animal protein content quality salmon saumon selection criteria swine teneur en lipides vaca vache