CAev

Question 1

(Caprine Arthritis Encephalitis Virus)

1. what kind of virus?
2. specific to what animal?
3. how common in US?
4. horizontal or vertical transmission?
5. what % of infected have Cx?

Answer 1

1. lentivirus
2. goats
3. high seroprevalence (positive means infected)
4. both (horizontal more common)
5. 35%

Question 2

(Kid Neurologic Form: Leukoencephalomyelitis)

1. what do you see?
2. what do you see on CSF tap?
3. see on histo?
4. RO what?
5. only see this form in what kind of herd?
6. tx?

Answer 2

1. bright kid with paresis -> paralysis (irreversible)

(often die of 2° infection)

2. ^ cell counts (monos and lymph)
3. mononuclear leukoencephalomyelitis w/ extensive demyelination
4. copper def (check liver)
5. heavily infected herds
6. none - euthanasia

Question 3

(CAEv Arthritis - MOST COMMON FORM)

1. thickening and inflammation of the joint capsules - what will you see on joint tap? (TEST QUESTION)
2. how long does it take for improvement?

Answer 3

1. LYMPHOCYTES AND MONOCYTES

**2. TRICK QUESTION: **it keeps getting worse -> need to euthanize

Question 4

(CAEv Mastitis)

1. one or two udders affected?
2. what will you see?
3. dx?
4. tx?

Answer 4

1. two: bilaterally affected (hard udder)
2. no inflam, no pathogens isolated, ^ cells, dec milk prod
3. histo definitive (lymphoid follicles impinging on ducts)
4. no definitive - steroids help

Question 5

(CAEv: pneumonia)

1. how common?
2. will respond initially to abx - why?
3. see what on biopsy?

Answer 5

1. least common form
2. 2° M. haemolytica infection
3. lymphocytes and monocytes

Question 6

(CAEv: gen)

1. positive ELISA means what?
2. tx?
3. vx?

Answer 6

1. that there is an infection - doesn’t mean cause of Cx!
2. no effective
3. no

Question 7

(CAEv: Control)

SOMETHING FROM THIS WILL B EON TEST

1. just look at slide in notes for this info