PART 4

Question 1

Viral dz
Widespread throughout the world
Caused by genus _____ family Retroviridae
similar to CAE

are they lifelong carriers?

Answer 1

Equine infectious anemia
Lentivirus,

yes

Question 2

mechanical Vectors of EIA

Answer 2

Tabanus and deer flies mainly
Stable flies or stomoxys
stomoxys, horseflies, chrysops

Question 3

2 countries that has no EIA

iatrogenic transmission is possible in EIA t/f

Answer 3

japan and iceland

t - via contaminated needle since its a bloodborne infexn

Question 4

Since bloodborne: All body fluids and tissues should be considered potentially infectious
t/f

Answer 4

t

Question 5

high levels of virus in the blood

Answer 5

fever

Question 6

EIA usua;;y affects these two

Answer 6

spinal cord, and occasionally the brain

Question 7

2 neurologic signs of EIA

Answer 7

Lack of coordination
Hindleg weakness

Question 8

2 test for EIA

Answer 8

Coggins test
Agar gel immunodiffusion test (AGID)

Question 9

EIA is mainly prevention and no tx t/f

EIA is zoonotic t/f

Answer 9

t

Euthanize to prevent spread
no treatment and vax

F

Question 10

NON ZOONOTIC
A viral disease
with the other term

“Equine viral rhinopneumonitis”
“Equine abortion virus”

Answer 10

EHV-1 myeloencephalopathy

Question 11

EHV-1 is latent t/f

Answer 11

t

With or without CS
Appears only when animals subj to stress

Question 12

tranmission of EHV-1

Answer 12

Nasal secretions
Aborted fetus
placenta

Question 13

clinical findings in EIA (URSLP)

Answer 13

Urine dribbling
Retention of feces
Sensory deficits in the perineum and tail
Lack of coordination in hind legs
Paralysis
May progress on all 4 legs

Question 14

EIA prognosis

Answer 14

poor due to prolonged period of recumbency

Question 15

Hemorrhage around nerves; accumulation of inflammation cells
(diagnosis for EHV-1)

Answer 15

Perivascular cuffing:

Question 16

4 more ways to diagnose EHV-1

Answer 16

Real-time PCR
Clinical signs
CSF analysis
Or neural tissue after death
necropsy

Question 17

Virus has a preference for BVs (reprod & nervous system)
BVs in repro tract as well as nervous system

Answer 17

EHV-1

Question 18

Tx of EHV-1

Answer 18

-Supportive treatment
-Antipyretics
If more than 40C
-Antibiotic
-Valacyclovir
Effectiveness still controversial
(there are reports) Used for prophylaxis esp. During outbreaks

Question 19

in herpescirus, these drugs are contraindicated

Answer 19

corticosteroids

Question 20

what dz?
Ribs out
Stretch neck
Tongue out
Biting in the air

Answer 20

rabies

Question 21

rabies form
(a) distress And agitation
Rolling
Vs colic - more aggressive

(b) Paralysis of jaw and throat muscles

Answer 21

a) furious
b) paralytic

Question 22

Viral disease
Virus causes inflammation in the spinal cord and brain

Answer 22

rabies

Question 23

common and indicative of paralysis
Careful when handling since zoonotic

Answer 23

drooping of lower jaw

Question 24

teartment of rabies

Answer 24

none except euthanasia