5 Written questions
4 Matching questions
- strongyloides westeri
- parascaris equorum
- sarcocystis neurona
- trichuris suis and strongyloides ransomi
- a adults are very large. Males 15-28 cm and females 50 cm long. Eggs have a spherical rough shell, dark amber to brown. Ova survives in evironment for years.
- b larva are ingested or penetrate the skin. Pass vascularly to the lungs which are then coughed up and swallowed as mature adults. May be passed transmammary to foals.
- c pig whipworms.
- d a parasite which invades the spinal cord and causes a disease called equine protozoal myeloencephalitis.
5 Multiple choice questions
- equine pinworm.
- adults are very small 2-9 mm long. Ova are thin shelled, oval and larvated.
- adults are very large long white worms. Ova are oval to spherical with a thick, rough shell.
- travel thru the bloodstream to skeletal muscle where they encyst and are ingested by another host and release into their intestines to mature to adults.
- treat pigs with ivomec.
5 True/False questions
parascaris equorum → are a potentially zoonotic parasite if humans ingest infested eggs.
cyathostomes → anaplocephala/paranaplocephala
onchocerca cervicalis → adults can cause non specific enteritis. Can cause myositis, fever and myocarditis and possible death if untreated. Proper cooking of meat eliminates the risk of infection.
8-12 weeks → anaplocephala/paranaplocephala
cyathostomes → adult females can be annoying. Larva in stomach can rarely cause ulcerations. Most time no clinical signs are present. Often infection is determined on post mortem exams.