Lab Review: Parasitology (Ruminant Part 2)

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Lab Review: Parasitology (Ruminant Part 2)
2013-10-17 06:30:00

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  1. What is found in calves and crias(baby alpaca)?CP
    cryptosporidium parvum
  2. Cryposporidium parvum is most often found in feces and is prepared with what?
    Sheathers sugar solution
  3. Cryptosporidium causes d+++ in humans and is easily identified with what staining technique?
    acid fast
  4. What is aka the horn fly/biting house fly and is the cause of the greatest economic loss from an arthropod?HI
    haematobia irritans
  5. What does haematobia irritans carry?SA
    What does this cause?
    • staph aureus
    • mastitis in cows
  6. Adult haematobia irritans feed on the host's blood and females lay eggs where?
    fresh manure
  7. What is beelike and aka the nasal bot fly?OO
    oestrus ovis
  8. Oestrus ovis larva feed on the tissue of the resp tract what is this called?RM
    resp myiasis
  9. Life of oestrus ovis larva:LCGD
    • layed in nostrils
    • crawl to sinus
    • grow fast
    • drop out of notrils
  10. What species is aka the foot and tail mite/itchy leg mite and is the most common mite in cattle?C
  11. What does chorioptes infect other than cattle? SGH
    sheep goats horses
  12. Chorioptes is found on what?SLFT
    • skin surface
    • lower parts of hind legs
    • flank and shoulders
    • tail in cattle
  13. Whoriptes is dx by skin scrape. What does it cause?SWTM
    • serum exudate
    • winkles
    • thickening
    • mange like appearance
  14. Demodex causes large nodules in who?
  15. Demodex causes smaller nodules in who?
  16. Demodex is rare in sheep, but if so where are they found?CNE
    • coronet
    • nose
    • ears
  17. How are demodex samples collected?
    • scrape skin til blood is seen
    • squeeze hair follicles
  18. Macracanthorhynchus hirudinaceus is the longest name among parasites. Who gets this?