Therapeutic and prophylactic efficacy of morantel tartrate when adminstered directly into the rumen of cattle on a continuous basis

agentes nocivos animal animal domestique animal nuisible animal pour cuirs et peaux animales animales de carne animales nocivos animals anthelminthique anthelmintics artiodactyla artiodactyle aschelminthes bovidae bovide bovin bovine bovines cattle control de enfermedades cooperia disease control domestic animals drugs facteur nuisible ganado ganado bovino haemonchus helminthe helminths helmintos injurious factors invertebrados invertebrates livestock mammals meat animals medicamentos nematode nematodes nematodos noxious animals organisme nuisible ostertagia pests plagas rumiante ruminant ruminants terapia therapy trichostrongylus vertebrados vertebrates vertebre