Turkey Coryza and Bordetellosis Quiz
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Questions and Answers

What is the primary cause of Turkey Coryza?

  • Alkaligenes faecalis
  • Guinea pig erythrocytes
  • Trypticase soy blood agar
  • Bordetella avium (correct)

Which of the following factors influences the pathogenesis of Turkey Coryza?

  • Iron acquisition is necessary for colonization and spread of B. avium in the host
  • Trypticase soy blood agar isolation
  • Gram-negative rods
  • Hemagglutination of Guinea pig erythrocytes (correct)

Which toxin produced by Bordetella avium leads to tracheal softening and collapse?

  • Endotoxin (heat stable)
  • Osteotoxin (correct)
  • Dermonecrotic toxin
  • Tracheal cytotoxin

What controls the expression of most virulence factors in Bordetella avium?

<p>Proteins encoded by the bvg locus (B)</p> Signup and view all the answers

Which type of receptors are necessary for the colonization and spread of B. avium in the host?

<p>Heme receptors (B)</p> Signup and view all the answers

What is the primary natural host for Bordetella avium?

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

Which of the following is a predisposing factor for Bordetellosis?

<p>Infection with respiratory pathogens like Avian Influenza Virus (C)</p> Signup and view all the answers

Which of the following is not a clinical sign of Bordetellosis in turkeys?

<p>Excessive egg production (C)</p> Signup and view all the answers

What is a post mortem lesion typically associated with Bordetellosis in turkeys?

<p>Inflammation of turbinates and sinus (C)</p> Signup and view all the answers

What is the primary mode of transmission of Bordetella avium?

<p>Close contact with contaminated materials (A)</p> Signup and view all the answers

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