Bovine Viral Diarrhea/Mucosal Disease Quiz
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Questions and Answers

Which of the following is NOT a clinical sign of mucosal disease in cattle?

  • Decreased milk production
  • Fever
  • Diarrhea
  • Increased appetite (correct)

What is the hallmark sign of bovine viral diarrhea (BVD) infection?

  • Decreased appetite
  • Neurological symptoms
  • Respiratory distress
  • Immune suppression (correct)

What is the most common age range for clinical disease associated with BVD virus infection in cattle?

  • 24-36 months old
  • 1-3 months old
  • 6-24 months old (correct)
  • 3-6 months old

How is mucosal disease (MD) induced in cattle?

<p>When PI cattle become superinfected with cytopathic BVDV (A)</p> Signup and view all the answers

What is the main method of diagnosis for bovine viral diarrhea/mucosal disease?

<p>Serology and PCR (D)</p> Signup and view all the answers

What is the primary host for Bovine viral diarrhea virus (BVDV)?

<p>Cattle (C)</p> Signup and view all the answers

What is the classification of Bovine viral diarrhea virus (BVDV)?

<p>Genus Pestivirus in the family Flaviviridae (A)</p> Signup and view all the answers

What causes the switch in biotype from noncytopathic to cytopathic BVDV in cattle?

<p>Mutations involving recombination of noncytopathic viral RNA with host cell RNA (B)</p> Signup and view all the answers

Which disease is characterized by profuse enteritis in association with typical mucosal lesions?

<p>Mucosal disease (A)</p> Signup and view all the answers

What are the two viral genotypes of Bovine viral diarrhea virus (BVDV)?

<p>Type 1 and Type 2 (C)</p> Signup and view all the answers

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