You perform a fecal flotation on a horse with gastritis and diarrhea. You observe larvated eggs that are elongated and thin walled. The adults of this species often cause fibrous nodules in the stomach of horses. What's the name of this parasite? What's an example of a nematode with a direct life cycle?
a) The parasite is Strongylus vulgaris.
b) An example of a nematode with a direct life cycle is Ascaris lumbricoides.