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5 Written questions

4 Matching questions

  1. ascaris suum
  2. strongyloides westeri
  3. cyathostomes
  4. anaplocephala
  1. a adults are very large long white worms. Ova are oval to spherical with a thick, rough shell.
  2. b adults in large bowel. Eggs pass in feces. 40 diff species.
  3. c adults are very small 2-9 mm long. Ova are thin shelled, oval and larvated.
  4. d adults are large, segmented with scolex at anterior end. Up to 8 m long. Eggs are irregularly shaped and contain 6 hooked larva. Similar to monezia in ruminants.

5 Multiple choice questions

  1. adults release proglottids in small or large intestine. Ova are passed in the feces and ingested by a free living mite. host ingests mite.
  2. 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.
  3. 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.
  4. seen mostly in heavy horses with heavily feathered legs. Spend their entire life cycle on the horse. Transmission is by direct contact and sometimes by grooming objects.
  5. adults live in the nucei ligament. Females produce microfilaria that migrate to the dermis.

5 True/False questions

  1. chorioptic mangeadults are tiny with 8 long legs and short unjointed stalks for trumpets at ends of some legs.


  2. trichuris suis and strongyloides ransomipig whipworms.


  3. trichnella spiralisadults live in the nucei ligament. Females produce microfilaria that migrate to the dermis.


  4. parascaris equorumcan interfere with the growth and development of pigs. Can migrate to the liver and cause "milk spots" which are not likely significant. If they migrate to the lungs they can cause respiratory disease.


  5. large strongylesbloodworms.


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