[Transhumance. An ancient - but scarcely known silvopastoral activity [sheep husbandry - Italy]]

allevamento degli animali animal husbandry brebis conduite des herbages encuestas sobre explotaciones ewes farm surveys gestione del bestiame grassland management grazing systems histoire historia history indagini su aziende agricole italia italie italy livestock management manejo de praderas manejo del ganado oveja pascoli pastizales pastoralism pastoralisme pastoralismo pastorizia pastures pecore sistemas de pastoreo sistemi di pascolamento storia transhumance transumanza trashumancia