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Flashcards in PART 4 Deck (24)
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1
Q

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

are they lifelong carriers?

A

Equine infectious anemia
Lentivirus,

yes

2
Q

mechanical Vectors of EIA

A

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

3
Q

2 countries that has no EIA

iatrogenic transmission is possible in EIA t/f

A

japan and iceland

t - via contaminated needle since its a bloodborne infexn

4
Q

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

A

t

5
Q

high levels of virus in the blood

A

fever

6
Q

EIA usua;;y affects these two

A

spinal cord, and occasionally the brain

7
Q

2 neurologic signs of EIA

A

Lack of coordination
Hindleg weakness

8
Q

2 test for EIA

A

Coggins test
Agar gel immunodiffusion test (AGID)

9
Q

EIA is mainly prevention and no tx t/f

EIA is zoonotic t/f

A

t

Euthanize to prevent spread
no treatment and vax

F

10
Q

NON ZOONOTIC
A viral disease
with the other term

“Equine viral rhinopneumonitis”
“Equine abortion virus”

A

EHV-1 myeloencephalopathy

11
Q

EHV-1 is latent t/f

A

t

With or without CS
Appears only when animals subj to stress

12
Q

tranmission of EHV-1

A

Nasal secretions
Aborted fetus
placenta

13
Q

clinical findings in EIA (URSLP)

A

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

14
Q

EIA prognosis

A

poor due to prolonged period of recumbency

15
Q

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

A

Perivascular cuffing:

16
Q

4 more ways to diagnose EHV-1

A

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

17
Q

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

A

EHV-1

18
Q

Tx of EHV-1

A

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

19
Q

in herpescirus, these drugs are contraindicated

A

corticosteroids

20
Q

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

A

rabies

21
Q

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

(b) Paralysis of jaw and throat muscles

A

a) furious
b) paralytic

22
Q

Viral disease
Virus causes inflammation in the spinal cord and brain

A

rabies

23
Q

common and indicative of paralysis
Careful when handling since zoonotic

A

drooping of lower jaw

24
Q

teartment of rabies

A

none except euthanasia