Planning ration formulations for cows individually

aliment pour animaux alimentation des animaux amidon animal feeding besoin nutritionnel calcio calcium calidad chemical composition composition chimique composition globale compound feeds concentrates dairy cows energia energie energy ensilado ensilage (produit) feed grasses feeds forraje verde fosforo fourrage vert green feed ingredientes ingredients magnesio magnesium necesidades de nutrientes nutritional requirements nutritive value oligoelementos phosphore phosphorus piensos piensos compuestos piensos concentrados potasio potassium proteine proteins proximate composition quality raciones ration rations selenio selenium silage sodio sodium starch sucre sugar suplementos supplements trace elements vacas lecheras valeur nutritive valor nutritivo vitaminas vitamine vitamins