Lab Review: Parasitology (Ruminant Part 1)

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Author:
heather.dundas
ID:
241180
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Lab Review: Parasitology (Ruminant Part 1)
Updated:
2013-10-17 06:28:10
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vti
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vti
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  1. Name the "hot worm" species of the genus richostronglyes:
    • haemonchus
    • ostertagia
    • trichostrongylus
  2. Trichostrongyles are nematodes that resemble....
    hookworms
  3. Who are the larger trichostrongyles with tapered ends? N
    nematodirus
  4. Adult trichostrongyles are found where?AI
    • abomasum
    • intestine
  5. Haemonchus contortus (a type of trichostongyle) is aka the
    barber pole worm
  6. Haemoncus contortus is found in the abomasum of who? SGA
    • sheep
    • goats
    • alpaca
  7. What does Haemonchus contortus cause? AB
    anemiabottle jaw (edema of lower jaw)
  8. What gives Haemonchus contortus its claim to fame?
    resistant to many anthilmentics
  9. What is the intestinal threadworm of ruminants?SP
    strongyloides papillosus
  10. What do the parthenogenic females of strongyloides papillosus do?
    lay unfertilized eggs that develop into individual larvated eggs
  11. Why are strongyloides papillosus found free living in feces?
    because they do not attach to the small intestine
  12. MOI strongyloides papillosus:SIT
    • skin-b/t hooves
    • ingestion
    • transmammary in cows
  13. Strongyloides papillosus are coughed up and swallowed. What do they cause?DWB
    d+weight lossblood in feces
  14. What is the cestode tapeworm of ruminants?M
    moniezia
  15. Which moniezia sp. is triangular/pyramid shape and found in sheep?ME
    moniezia expansa
  16. Which moniezia species is square/cuboidal shaped and is common in cattle?MB
    moniezia benedini
  17. Moniezia may or may not be harmful depending on size. What is the IH?
    oribatid grain mite
  18. What is the ruminant liver fluke?FH
    fasciola hepatica
  19. Fasciola hepatica is a trematode found in fecal sedimentation why?
    doesn't float
  20. Why does Fasciola hepatica cause the most economic concern?LC
    • liver rot
    • condemnation of cattle at slaughter
  21. What is the ruminant coccidian/protozoan that causes d+?E
    Eimeria
  22. What is the oval shaped eimeria in cows?B
    bovis
  23. What eimeria is spherical and found in sheep and goats?z
    zuerni
  24. Can an animal be infected with more than one species of eimeria?
    yes

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