Baker DG, ed. 2007. Flynn’s Parasites of Laboratory Animals, 2nd edition Blackwell Publishing, Ames, IA
Chapter 19 Parasites of Swine, pp 617-640
QUESTIONS
1. True or False: Typically, only young pigs are affected with Isospora suis, while adults are asymptomatic carriers.
2. True or False: Balintidium coli found in the cecum and anterior colon of swine.
3. True or False: Since Balintidium coli is zoonotic it should be treated aggressively.
4. Who is the natural intermediate host for Taenia solium?
5. Who serves as the natural definitive host for Taenia solium?
6. What is the genus and species of the worm known as the small intestinal threadworm?
7. What is the most common gastrointestinal worm in pigs?
8. Which of the following renders A suum eggs nonviable?
a. Bleach
b. Paraquat
c. Steam
d. Warm water
9. True or False: Ascaris suum causes visceral larval migrans in humans.
10. How is Ascaris suum diagnosed? Select 2
a. Fecal flotation
b. ELISA
c. PCR
d. Finding characteristic milk spots in the liver
11. What is the name of the hookworm in swine?
a. Oesophagostumum
b. Ascaris suum
c. Stephanarus dentatus
d. Globocephalus urosubulatus
12. True or False: Globocephalus urosubulatus survives best in moist environments.
13. Which of the following is not zoonotic?
a. Stephanarus dentatus
b. Balantidium coli
c. Oesophagostumum
d. Taenia solium
e. Trichinella spiralis
14. Which adult worm can be found in the kidneys in cysts within the perirenal fat?
15. What is the prepatent period of Stepanarus dentatus?
16. Which worm is found in the lesser curvature of the stomach in pigs?
17. Hysostrongylus rubidus eggs are indistinguishable from those of ______in both size and morphology.
18. ______species occur exclusively in the bronchi and bronchioles, especially in the diaphragmatic lobes of swine.
19. Which species of worm uses the beetle as an intermediate host?
20. Which worm uses the dung beetle as an intermediate host?
21. What is the name of the sucking louse of the pig?
22. What is the genus and species of the red stomach worm in pigs?
23. Name the modes of transmission of Trichinella spiralis in swine herds.
24. True or False: Animal workers can become infected with Trichinella spiralis as a result of working with infected research swine.
25. True or False: Trichuris suis eggs are bipolar.
26. ______is the thorny-headed worm of swine.
27. What is the intermediate host of Macracanthorhynchus hirudinaceus?
28. Prevention of Macracanthorhynchus hirudinaceus includes:
a. Housing research pigs indoors
b. Eliminating beetles
c. Feeding ionophores in diet
d. Weaning pigs at 21 days or later
29. Name the genus species of the swine whipworm.
30. True or False: Hyostrongylus rubidus is a blood sucker.
31. What swine parasite should be included in the differential diagnosis of the swine dysentery complex due to the bloody diarrhea it causes?
ANSWERS:
1. T
2. T
3. T
4. Swine
5. Humans
6. Strongyloides ransomi
7. Ascaris suum
8. c
9. T
10. a and d
11. d
12. T
13. a
14. Stephanarus dentatus
15. 12 months
16. Hyostrongylus rubidus
17. Oesophagostomum
18. Metastrongylus
19. Ascarops strongylina
20. Macracanthorhyncus hirudinaceus
21. Hematopinus suis
22. Hysostrongylus rubidus
23. cannibalism, tail biting, scavenging on carcasses of dead animals(cats, foxes, raccoons), and indirect or direct feeding of raw garbage
24. F
25. T
26. Macracanthorhyncus hirudinaceus
27. dung beetle
28. a and b
29. Trichuris suis
30. T
31. Trichuris suis