[Low cost systems in conventional milk production: technical and economic farm results 1992-93]

alojamiento de animales animal housing bovin laitier calves dairy cattle feed crops feed intake gain de poids ganado de leche ganancia de peso logement des animaux milk yield performance de reproduction plantas forrajeras prise alimentaire (animaux) production economics rendement rendement laitier rendimiento rendimiento lechero reproductive performance reproductividad ternero veau weight gain yields