5 Written questions
5 Matching questions
- ascaris suum
- eqvalan, panomec, quest
- strongyloides westeri
- parascaris equorum
- a light infection shows no clinical signs. Heavier infection can cause intestinal obstruction. Can also see colic, pot belly, diarrhea, constipation, unthriftness, cough, weight loss, flatulence and rarely death.
- b treat pigs with ivome, dectomax or safeguard.
- c equine threadworm.
- d treat most equine endoparasites with these 3 dewormers.
- e adults release proglottids in small or large intestine. Ova are passed in the feces and ingested by a free living mite. host ingests mite.
5 Multiple choice questions
- 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.
- adults are medium sized with a ring of teeth around front edge of mouth. Often reddish brown due to ingestion of blood. Ova have thin smooth shell containing clump of cells when passed in feces.
- cause severe pruritis. Infestation of lower limbs can cause foot stamping. Can also infect the tail head region in horses.
- male adults are small 12 mm and not usually seen but females can be up to 6 inches long, pale with white pin-like tail. Ova are pale, elongated with 1 flattened side and operculum on 1 end.
- generally considered non pathogenic. heavy infestations can rarely cause intestinal obstruction or perforation. May be involved with certain types of colic.
5 True/False questions
trichnella spiralis → adults are rarely seen, live in the nuchal ligament and sometimes ligament and tendons of distal extremeties. Microfilaria found in conjunctiva and skin.
onchocerca cervicalis → adults are rarely seen, live in the nuchal ligament and sometimes ligament and tendons of distal extremeties. Microfilaria found in conjunctiva and skin.
cyathostomes → best to deworm after the first frost in the fall when adults are dead.
large strongyles → small strongyles.
chorioptic mange → damalinia equi.