The effect of large scale and conventional rearing technology on prime costs of milk production [dairy cattle, Czechoslovakia]

agricultura agriculture alojamiento de animales animal animal domestique animal housing animal husbandry methods animal laitier animal pour cuirs et peaux animal production animales animales de carne animales lecheros animals artiodactyla artiodactyle bovidae bovide bovin bovine bovines buildings cattle construcciones costos costs cows domestic animals economia economics economie europa europe ganado ganado bovino housing labour productivity livestock logement logement des animaux mammals meat animals methode methods milk production production production animale productividad productividad del trabajo productivity rumiante ruminant ruminants vaca vache vertebrados vertebrates vertebre vivienda zootechnie zootechny zootecnia