Ultrastructure of parathyroid glands growth-retarded pigs with atrophic rhinitis

agentes nocivos anatomia anatomia animal anatomie anatomie animale anatomy animal animal anatomy animal domestique animal pour cuirs et peaux animales animales de carne animals artiodactyla artiodactyle bacteriose bacterioses bacteriosis body parts cerdo diseases domestic animals endocrine glands enfermedades respiratorias facteur nuisible ganado glande endocrine injurious factors livestock maladie organique maladie respiratoire mammals meat animals organic diseases parathyroid gland partes del cuerpo partie du corps porcin respiratory diseases swine ultraestructura ultrastructure vertebrados vertebrates vertebre