Download Equine Infectious Diseases

Middle California Region USPC
Equine Infectious Diseases
Quiz
1. Name 4 respiratory diseases that affect the horse:
a) ______________________________________________________________
b) ______________________________________________________________
c) ______________________________________________________________
d) ______________________________________________________________
2. Name the three respiratory diseases that are viral:
a) ______________________________________________________________
b) ______________________________________________________________
c) ______________________________________________________________
3. Name the one respiratory disease that is bacterial:
______________________________________________________________
4. Circle all the symptoms the above 4 have in common:
Fever Nasal Discharge
Purple Poop Loss of Appetite
Cough
5. Which one causes an abscess of the guttural pouch? ________________________
6. What is it called if #5 spreads through out the body causing abscesses in all the body organs?
_____________________________________________________________________
7. Which 2 respiratory viruses can cause abortion in pregnant mares?
a) ______________________________________________________________
b) ______________________________________________________________
8. Which 2 respiratory diseases are caused by Herpes Viruses?
a) ______________________________________________________________
b) ______________________________________________________________
9. Which one causes pink eye (conjunctivitis)?___________
10. Can you vaccinate for all 4 respiratory diseases? YES
NO (circle answer)
11. Which of the 2 do you vaccinate twice a year for?
a) ______________________________________________________________
b) ______________________________________________________________
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12. There are 6 diseases that affect the central nervous system of the horse (CNS) (the brain and
the spinal cord). Name all six:
a) ______________________________________________________________
b) ______________________________________________________________
c) ______________________________________________________________
d) ______________________________________________________________
e) ______________________________________________________________
f) ______________________________________________________________
13. 5 of those diseases are caused by viruses. Name them:
a) ______________________________________________________________
b) ______________________________________________________________
c) ______________________________________________________________
d) ______________________________________________________________
e) ______________________________________________________________
14. Name the disease that is caused by protozoa called Sarcocystus: ________________
15. Circle the symptoms that apply to all of the above 6 diseases that affect the central nervous
system:
Ataxia
Inflammation of the brain
Bad breath
Coma
Head pressing
Death
16. Which one is caused by the bite of an infected animal? ________________________
17. Which 4 are transmitted by mosquitoes that have bitten infected birds?
a) ______________________________________________________________
b) ______________________________________________________________
c) ______________________________________________________________
d) ____________________________________________________________
18. Which one is caused by an animal usually an opossum eating an infected bird and then
pooping on the horse’s food? _____________________________________________
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19. Which CNS disease has infected 2/3rds of coastal horses in Oregon but most of the horses
develop antibodies but show no signs of the disease? ____________________
20. Which of the organisms causes CNS diseases and has no vaccine? ______________
21. Which viruses affect the brain, causes personality changes, and is carried by all warm
blooded animals most often raccoons, skunks and bats: _______________________
22. Which of the 4 CNS viruses can be transmitted to humans by a mosquito biting a horse and
then biting a person?
a) ____________________________________________________________
b) ____________________________________________________________
c) ____________________________________________________________
d) ______________________________________________________________
23..Name 2 bacterial organisms that affect the nerves and muscles of the horse. Both live in
anaerobic environments (no oxygen):
a) ______________________________________________________________
b) ______________________________________________________________
24. Which organism causes continual contraction of the muscles leading to a saw horse stance,
lock jaw, dropping of the nictitating membrane of the eye?
_____________________________________________________________________
25. Which organism causes paralysis of the muscles by blocking nerve conduction, leading to
paralysis of the diaphragm and other respiratory muscles and death?
_____________________________________________________________________
26. Which organism is caused by a dead animal being baled in the center of hay or cubes, rotting
there and being eaten by the horse?
____________________________________________________________________
27. What is caused by the spore getting into a puncture wound and the bacteria growing from
the spore and releasing a toxin that causes the side effects?
____________________________________________________________________
28. Are the symptoms of both these diseases caused by the bacteria or the toxins they secrete?
(Underline one)
29. Both diseases are caused by Clostridial bacteria –clostridium botulinum and clostridium
tetani. Can you vaccinate for both?
Yes
No
(Circle one)
30. The vaccine works by binding the toxin not by killing the organism.
True
False
(Circle one)
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31. I am a protozoon-like organism (rickettsia ehrlichia) carried by snails and found in rivers.
Horses that drink contaminated water get fevers, loss of appetite, watery diarrhea, distended
abdomen and can colic and die. What disease do I cause?
_______________________________________________________________________
32. I am called Swamp Fever because I am carried by blood sucking insects (flies and
mosquitoes) that often live in swamps. I have 3 forms. In the first form (________________) I
cause high fevers, edema of the legs (filling up) and midline (under the stomach), depression
with weight loss and I am often fatal. In the (_________________) form, I cause the same
symptoms but not as severe and the horse usually survives. In the (________________) form, the
horse will have no symptoms but if a mosquito bites him, he can spread the disease to another
horse. What am I?
_______________________________________________________________________
33. There is no vaccination to prevent this disease, but what is the name of the blood test that
will tell you whether your horse has the disease or not?
________________________________________________________________________
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