[Natural sources of magnesium and calcium in cattle feed rations]

beef cattle bone meal bovin de boucherie bovin laitier cerdo compound feeds conejo (oryctolagus) dairy cattle dolomie dolomita dolomite farine d'os feed intake gain de poids ganado de carne ganado de leche ganancia de peso harina de huesos lapin (oryctolagus) ovin ovinos piensos compuestos porcin prise alimentaire (animaux) rabbits raciones ration rations sheep suplementos supplements swine weight gain