Equine Infectious Anemia

Question 1

Equine Infectious Anemia is also known as _______, and is caused by the _______

Answer 1

Swampfever; retroviridae (a nononcegenic lentivirus)

Question 2

EIA is a ____ transmitted virus, and is transmitted by _____

Answer 2

Vector; horse and deer flies

Question 3

This retrovirus contains ___ which produces ___, and it has a a marked tendency to ______

Answer 3

RNA; DNA; mutate

Question 4

The 3 levels of severity for EIA are…

Answer 4

• acute
• chronic
• inaparent carrier

Question 5

A horse with acute EIA has enough virus in one CC blood to infect ______ horses

Answer 5

1 million

Question 6

A horse with chronic EIA has enough virus in one CC blood to infect ______ horses

Answer 6

10,000

Question 7

1 out of every ____ horse flies will pick up and transmit EIA

Answer 7

6 million

Question 8

Acute EIA symptoms include…

Answer 8

• sudden fever (105° or higher)
• rapid weight loss
• hemorrhage of mucosal membranes (bleeding from nose)
• lasts 10-30 days

Question 9

Horses will generally either recover or die from acute EIA within ______

Answer 9

2-3 weeks

Question 10

Chronic EIA symptoms include…

Answer 10

• depression/ lethargy
• poor/lost condition
• weight loss (anorexia)
• seem to recover and then get sick again (virus is mutating)
• extremely high temps (108°) then back to normal

Question 11

To test for EIA you should perform a ____ test

Answer 11

Coggins (or western blot and ELISA)

Question 12

To treat EIA you can give…

Answer 12

Supportive therapy only, there is no treatment. Horses remain positive for life.

Question 13

To prevent EIA you can…

Answer 13

Do nothing :(

Question 14

EIA positive horses must be kept _____ (distance) from other horses

Answer 14

200 yards