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5 Written questions

5 Matching questions

  1. Psuedorabies
  2. Rabies
  3. Listeriosis
  4. Polioencephalomalacia
  5. Psuedorabies "Mad Itch"
  1. a 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
  2. b dermal abrasions, pruritis at site of virus innoculation
  3. c Fresh brain tissue required immunofleurescense of tissue allows for detection of anitgen/antibody reaction
  4. d localizes in intestinal walls, placenta and brain
  5. e Etiology
    -DNA herpes virus
    -Primary host is pig
    -Can infect cattle sheep goats dogs & cats
    -may be asymptomatic

5 Multiple choice questions

  1. Ingested & Inhaled transmission leads to abortions latent infections, septicemia
  2. Treatment & Control
    no treatment
    identify & eliminate affected animals
    eliminate flock mates of affected animals
  3. Bacteria, found in soil, water and plants, high risk to pregnant women
  4. calves <6wks old most susceptible
  5. caused by a disturbance in thiamine metabolism
    -thiamine deficiency
    -increased dietary sulfates
    most often occurs in fast growing cattle on high concentrate diets
    low rumen pH associated with high concentrate diets facilitates thiaminase production

5 True/False questions

  1. Polioencephalomalaciacalves <6wks old most susceptible


  2. ListeriosisBovine spongiform encephalopathy in sheep


  3. Psuedorabies "Mad Itch"share common antigens of IBR1


  4. ScrapieClinical Signs
    Incubation 1-7yrs
    behavioral changes
    blindness, nystagmus(constant movement of eye)
    pruritis of rump & flank
    death after period of illness 6w-1yr


  5. Encephalititc IBR (BHV1.3)This affects the CNS of calves producing a meningeoncephalitis