[Grazing and rearing of high genealogy heifers are compatible [Piedmont]]

attitudine alla riproduzione bovin laitier conduite des herbages costi costos costs dairy cattle feed grasses gain de poids ganado de leche ganancia de peso graminacee foraggere grassland management grazing systems heifers incremento di peso manejo de praderas milk yield novilla performance de reproduction piamonte piedmont piemont piemonte raciones ration rations razioni rendement laitier rendimiento lechero reproductive performance reproductividad sistemas de pastoreo sistemi di pascolamento stabling stabulation stabulazione variedades varieties weight gain