Small Ruminant Viral Diseases and Miscellaneous Conditions Flashcards Preview

RUSVM LAM II Practice Questions > Small Ruminant Viral Diseases and Miscellaneous Conditions > Flashcards

Flashcards in Small Ruminant Viral Diseases and Miscellaneous Conditions Deck (68)
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1

The etiology of Caprine Arthritis Encephalitis (CAE)

Lentivirus

2

What are the 2 syndroms that can be caused by

Caprine Arthritis Encephalitis (CAE)?

Leukoencephalomyelitis

or

Chronic Arthritis

3

Which of the 2 syndromes associated with

Caprine Arthritis Encephalitis (CAE) is most common?

Chronic Arthritis

4

Which syndrome associated with Caprine Arthritis Encephalitis (CAE)

are young animals less than 1 year old more likely to get?

Leukoencephalomyelitis

5

Which syndrome associated with Caprine Arthritis Encephalitis (CAE)

are animals over 6 months old more likely to get?

Chronic arthritis

6

T/F:

Caprine Arthritis Encephalitis (CAE) is spread via direct contact

FALSE

7

How is Caprine Arthritis Encephalitis (CAE) spread?

Spread to kids ingesting infected colostrum at birth

8

T/F:

A goat that grazes on its knees most likely has footrot

FALSE!

A SHEEP grazing on its knees most likely has footrot.

A GOAT most likely has CAE

9

A 2 year old goat presents with hard udder and

slowly progressive pain and swelling of its carpus joints.

What is your primary ddx?

Caprine Arthritis Encephalitis (CAE)

10

A 3 month old goat presents with tetraparesis,

but is eating and drinking normally and is BAR.

What is your primary ddx?

Caprine Arthritis Encephalitis (CAE)

11

What is the preferred diagnostic test used to identify

Caprine Arthritis Encephalitis (CAE)?

ELISA

12

How is Caprine Arthritis Encephalitis (CAE) treated?

IT IS NOT TREATED!

You must CULL affected animals

13

What is the etiology of Ovine Progressive Pneumonia (OPP)?

retrovirus

14

How is Ovine Progressive Pneumonia (OPP) transmitted?

Primary transmission: in milk

Secondary transmission: through nasal secretions and saliva

15

How long is the incubation period for Ovine Progressive Pneumonia (OPP)?

2 years!

16

Firm udder enlargement in sheep is known as 

Hard bag

17

Hard bag in sheep is caused by this condition

Ovine Progressive Pneumonia (OPP)

18

How is Ovine Progressive Pneumonia (OPP) diagnosed?

ELISA

19

What is the etiology of Contagious Ecthyma (Scabby mouth, Orf)?

Parapox virus

20

Contagious Ecthyma (Scabby mouth, Orf) is

enzootic in lambs and kids _______ months of age,

while older sheep have some immunity

3 - 6 months

21

You see a young animal with the lesions pictured.

Should you be concerned that you'll catch it?

YES! Contagious Ecthyma (Scabby mouth, Orf)

is ZOONOTIC (but self-limiting) in humans

22

Even though Contagious Ecthyma (Scabby mouth, Orf) is most

common in animals 2 - 3 months old,

ewes can present with these lesions on their ________

udders

(from lambs nursing)

23

How is Contagious Ecthyma (Scabby mouth, Orf) treated?

Symptomatically, no real tx.

24

How is Contagious Ecthyma (Scabby mouth, Orf) prevented?

Via live vaccine painted onto a scarified area of skin

25

What is the etiology of Scrapie?

prions

26

This reportable chronic wasting neurological disease in

sheep is classified as transmissible spongiform encephalopathy

and is caused by prions

SCRAPIE

27

This breed of sheep is genetically susceptible to Scrapie

Suffolk sheep

28

What is the incubation period of Scrapie?

2-5 years

29

What clinical sign is seen earliest in the disease course

of Scrapie in sheep?

PRURITIS

(and see sloughed off wool from rubbing against things)

30

This sheep has been rubbing against things and its wool is

sloughed off.

What is your primary ddx?

SCRAPIE!