large animal nematodes - Equine, ruminants, and swine

  1. What are the categories for 'Small and Large Strongyles' in horses
    Sub-Family: (small and large)
    • Nematoda
    • Strongylida
    • Strongyloidea
    • Cyathostominae (small strongyles)
    • Strongylinae (large strongyles)
  2. What are two nicknames for 'large stongyles'
    • bloodworms
    • redworms
  3. What is considered the the most dangerous of the large strongyles
    Strongylus vulgaris
  4. what are the three types of large strongyles
    • Strongylus vulgaris
    • Strongylus equinus
    • Strongylus edentates
  5. What are two other species that Strongyles are found in
    • Elephants
    • Rhinoceroses
  6. Why are small strongyles not considered as pathogenic as large strongyles
    They migrate mucosally and don't migrate viscerally like the large Strongyles do.
  7. In Strongyle sp. what isteh ring like fence of projections that surround the mouth. Keep in mind Strongyles have no teeth or cutting plates.
    corona radiata
  8. What are the two most common large Strongyles sp. in the US
    • Strongylus vulgaris
    • Strongylus edentatus
  9. What is the primary cause of colic in horses
    Parasites, leading to pain, colic and eventually death of the horse
  10. What are 6 intresting characteristics of Strongylus vulgaris
    • smallest of three lg. strongyles
    • most pathogenic
    • shortest prepatent period of 6 months, the others are 11 months
    • smallest of the eggs
    • migration via the intestinal arterial system (cranial mesenteric artery) leading to colic and death.
    • Most common cause of colic and death due to colic in the U.S.
  11. What is the drug/procedure used to treat for pain in a horse with colic
    • Banamine
    • laxatives via naso-gastric tube and mineral oil
  12. Explain why S. vulgaris is so pathogenic to a horse
    Movement of the 4th stage larvae resulting in inflammation of arteries, clots, and moving clots that block the flow of blood to the intestines resulting in death of the bowel, no movement of enteric contents, leading to colic, pain and eventually death.
  13. How many species of small strongyles are there
  14. What is considered the largest Ascarid in domestic animals
    Parascaris equorum in horses
  15. What is the taxonomy for 'pinworms' in horses
    • Nematoda
    • Ascaridae
    • Oxyuroidea
  16. What are the nicknames for Oxyuris equi
    • Pinworm
    • Nocturnal worm
  17. Where is the target area for Strongyles in horses
    • cecum
    • colon
  18. Oxyuris equi is said to have this life cycle
    direct life cycle
  19. What is the 'pinworm of man' and what is its nickname
    • Enterobius vermicularis
    • "Seatworm of man"
  20. Where is the target location for Enterobius vermicularis in humans
    • Appendix
    • large intestine
    • female genitalia
  21. This condition is caused by Oxyuris eggs being attached to the skin around the anus causing itching.
    Pruritus ani (itchy anus)
  22. What is the most common cause of death in horses in the US
    Colic due to parasites
  23. What are three genuses and species under the Family Oxyuroidea
    • Oxyyuris equi
    • Enterrobius vermicularis
    • Probstymarea vivipara
  24. What is a nickname for Probstmayria viviparous
    The minute pinworm
  25. What is the target location for Probstmayria viviparous
    Large intestines
  26. Another term for pregnant
  27. What is the taxonomy for 'Parascaris equorum' in horses
    • Nematoda
    • Ascaridae
    • Ascaridoidea
  28. What is Parascaris equorum closely related to
    Ascaris suum in pigs
  29. What is the only Ascarid in horses
    Parascaris equorum
  30. What is the Ascarid that causes foal heat
    Parascaris equorum
  31. What are the three types of bot flies
    • Gastrophilus intestinalis
    • Gastrophilus nasalis
    • Gastrophilus haemorrhoidalis
  32. What is the proprietary name for 'Task' for horses
    Equigard (Dichlorvos)
  33. Why do we wait one month after the first frost in order to deworm horses
    Allow the recently acquired larvae to complete their journey in the oral tissue and to reach the stomach so the drugs can effectively kill them.
  34. What are 4 drugs used to treat for bots
    • Carbon disulfide - Parvex Plus
    • Dichlorvos - Equigard
    • Tricholorfon - Combot
    • Ivermectin - Ivermectin (drug of choice)
  35. What are two organophosphates used to treat for bots
    • Dichlorvos - Equigard
    • Trichlorfon - Combot
  36. What two parasites are shared with horses and other species
    • Trichostrongylus axei - ruminants
    • Strongylus westeri - swine
  37. What are 5 stomach worms living in the abomasum of ruminants
    • Hamonchus placei
    • Hamonchus contortus
    • Trichostrongylus axei
    • Ostertagia ostertagi
    • Mecistocirrus
  38. What is the taxonomy for Trichostrongylus axei
    • Nematoda
    • Strongylida
    • Trichostrongylidae
  39. What parasites are considered more devastating in ruminants
    Stomach worms
  40. What two genus's cause 'Summer sores' in horses
    • Habronema sp.
    • Drashchia megastoma
  41. What is the taxonomy for Habronema sp.
    Super family:
    • Nematoda
    • Spirurida
    • Spiruroidea
    • Habronematidae
  42. What are two ways that habronema and draschia are transmitted by flies
    • Larvae on the skin
    • Flies that are consumed
  43. Habronema if ingested is said to cause ____, where as Draschia is said to cause this
    • Ulcers
    • tumors
  44. What is the intermediate host for tapeworms in horses
  45. What are the 4 parts of a ruminants stomach
    • Rumen
    • Reticulum
    • Omasum
    • Abomasum
  46. All ruminant stomach worms are found in which stomach
    Abomasum 'true stomach'
  47. What are the two hookworms of ruminants
    • Bunostomum phlebotomum
    • Bunostomum trigonocephalum
  48. What are two ways that ruminant hookworms are transmitted
    • Skin penetration
    • Oral consumption of larvae from food and/or water
  49. What are the Genus of parasites under the order Strongylida
    • Ostertagia
    • Haemonchus
    • Cooperia
    • Trichostrongylus
    • Telodorsagia
    • Mecistocirrus
    • Oesophagostomum
    • Bunostomum
    • Chabertia
    • Camelostrongylus
    • Lamanema
  50. What is the taxonomy of stomach worms for ruminants
    • Nematoda
    • Strongylida
    • Trichostrongyloidea
  51. What is the swelling from the jaw to the chest called in ruminants, caused by stomach worms
    Anasarca "Briskets Disease"
  52. What is a term for a parasitic worm
  53. This drug was used to kill lungworm's in ruminants and as a immunostimulant in humans
  54. Most verminous pneumonias are caused by this genus and species
    Protostrongylus rufescens
  55. What is considered the most deadly lungworm for ruminants
    Protostrongylus rufecens
  56. What is the largest nematode in the human intestine and the most prevalent parasite of humans in the world
    Ascaris lumbricoides
  57. What is the percent of people infected with A. lumbricoides in the world
    25% of the worlds population
  58. What is the respiratory symptom called in swine with migrating Ascarids
  59. When Ascarids migrate in swine it causes consolidation in the liver commonly called
    Milk spots
  60. What are two things that can disqualify and pig from show
    • Deviated septum
    • Thumps
  61. Even though Protostrongylus rufescens is a lungworm it belongs to the super family
  62. What is the only lungworm of ruminants that has a indirect life cycle
    Protostrongylus fufescens
  63. what is the universal ID system for pigs called
    Universal Ear Notching System
  64. What are two Ascarids that do not feed on mucosa lining but the actual contents of the intestines
    • Ascaris suum
    • Ascaris lumbricoides
  65. What is the first and second most common parasite for swine
    • Ascaris suum
    • Stephanurus dentatus
  66. What is the taxonomy for Stephanurus dentatus
    • Nematoda
    • Strongylida
    • Strongylidea
  67. What is the nick name for Stephanurus dentatus
    Common kidney worm
  68. What drug is used to treat Ascarids in swine
  69. What is the taxonomy for Rhabditoids in swine
    • Nematoda
    • Rhabditida
    • Rhabdiasoidea
  70. What is the main route of transmission for Ascarids, Strongyloides, and Stephanurus dentatus in swine
  71. What are the three Rhabditoids found in swine
    • Strongyloides westeri
    • Strongyloides suis
    • Strongyloides apri
  72. What is the order for Physocephalus sexalatus and Ascarops strongylina
  73. What is the nickname for Macracanthorhyncus hirudinaceous in swine
    Thorny headed worm
  74. Why was M. hirudinaceous considered a Nematode instead of a Cestode
    because it had a pseudocoelom
  75. What is the family for Oesophagostomum in ruminants
  76. Oesophagostomum in ruminants is said to cause this disease
    nodular worm disease
  77. Which nodular worm in ruminants is found in the large intestine and form black nodules there
    Oesophagostomum columbianum "sheep nodular worm"
  78. What is the nickname for Dictyocaulus viviparous
  79. What are all lungworm disease called in ruminants
Card Set
large animal nematodes - Equine, ruminants, and swine
para internal