Life cycle and ultrastructure of Eimeria stigmosa, the intranuclear coccidian of the goose (Anser anser domesticus)

anatomia animal anatomie animale animal developmental stages animal morphology appareil digestif cell structure digestive system eimeria estructura celular etapas del desarrollo animal ganso geese infestation microscopia microscopie microscopy necropsie oie postmortem examination sistema digestivo structure cellulaire