[Ethology and welfare in animal husbandry. Social interaction during suckling [sows]]

allaitement allattamento animal husbandry equipment animal welfare attrezzatura zootecnica bienestar animal body condition cerdas comportamento materno comportamiento maternal comportement maternel environmental factors equipo de crianza facteur du milieu factores ambientales fattori ambientali lactancia maternal behaviour piglets porcelet scrofe sows stabling stabulation stabulazione stimoli stimuli stimulus suckling suinetti truie