Antigens in perienteric fluid of Ascaris suum as detected through antibodies in pigs orally inoculated with fully embryonated eggs

agentes nocivos animal animal domestique animal nuisible animal pour cuirs et peaux animales animales de carne animales nocivos animals antibodies anticorps anticuerpos antigene antigens artiodactyla artiodactyle aschelminthes cerdo control de enfermedades disease control domestic animals facteur nuisible ganado helminthe helminths helmintos immunity injurious factors inmunidad inoculation invertebrados invertebrates livestock mammals meat animals methode methods nematode nematodes nematodos noxious animals organisme nuisible pests plagas porcin swine vertebrados vertebrates vertebre