5 Written Questions

1. Diagnosis
   virus isolation from oral & nasal secretions
   virus culture of CNS issure (titers not specific)
   Share common antigens of IBR 1
2. Clinical Signs related to loss of cerebral neurons
   depression, isolation from heard, ataxia, strabismus(unparrallel eyes), recumbency, cortical blindness, head pressing, nystagmus(constant movement of eye), head tilt, tonic/clonic convulsions
3. primary host is pig
4. fresh brain tissue required
   immunofleurescense of tissue allows for detection of antigen/antibody reaction
   THERE IS NO TREATMENT!!
5. vaccine in edemic areas

3 Matching Questions

1. Rabies
2. Listeriosis
3. Encephalititc IBR

1. a What gram positive bacteria has a clinical sign involving a recumbant animal paddling it's legs?
2. b Clinical Signs
   Incubation per 3wks-6mo
   Behavior changes in furious form
   hypermetric gait
   anorexia
   depression
   mild ataxia/hyperesthesia
   seizures/coma
   death
3. c calves <6wks old most susceptible

5 Multiple Choice Questions

1. Etiology
   -DNA herpes virus
   -Primary host is pig
   -Can infect cattle sheep goats dogs & cats
   -may be asymptomatic
   1. Psuedorabies "Mad Itch"
   2. Encephalititc IBR
   3. Psuedorabies
   4. Polioencephalomalacia
2. Abortion at last trimester, still birth, neonatal deaths
   1. Listeriosis
   2. Psuedorabies
   3. Rabies
   4. Scrapie
3. This affects the CNS of calves producing a meningeoncephalitis
   1. Encephalititc IBR (BHV1.3)
   2. Encephalititc IBR
   3. Encephalitic IBR (BHV 1.3)
   4. Encephalitic IBR
4. Susceptable to high doses of penicillian
   1. Rabies
   2. Listeriosis
   3. Psuedorabies
   4. Scrapie
5. most common cause in excessive thiamine consumption through plants
   1. Psuedorabies
   2. Listeriosis
   3. Polioencephalomalacia
   4. Encephalitic IBR

5 True/False Questions

1. Psuedorabies → may be asymptomatic

   True        False

2. Scrapie → Bovine spongiform encephalopathy in sheep

   True        False

3. Listeriosis → Clinical signs(related to encephalitis)
   anorexia, depression, disorientation
   circling, facial paralysis on affected side

   True        False

4. Polioencephalomalacia → virus grows in nasal/ocular mucosa
   mucosal lesions develop after 2-3 days
   9-11 days after infection mucosal lesions disappear & encepahlitic signs appear

   True        False

5. Psuedorabies → Illness duration 8-72hrs

   True        False